# Apache vulnerabilities > Apache has 2,540 published vulnerabilities across 391 products in our catalogue. 44 of them are on the list of flaws known to be exploited, so criminals are using them now. The most affected product is HTTP Server, with 318. If you run Apache software, patch the exploited flaws first. Canonical page: https://www.precursorintelligence.com/vendors/apache ## At a glance - **Published vulnerabilities:** 2,540 - **Known to be exploited:** 44 - **Products:** 391 - **Versions:** 12,777 - **Most recently added to the known-exploited list:** [CVE-2016-3081](https://www.precursorintelligence.com/what-is/cve-2016-3081), 8 October 2026. We keep watching the list. ## Which Apache products have the most vulnerabilities? - [HTTP Server](https://www.precursorintelligence.com/product/apache/http_server): 318 published vulnerabilities, 267 versions - [Tomcat](https://www.precursorintelligence.com/product/apache/tomcat): 233 published vulnerabilities, 656 versions - [Airflow](https://www.precursorintelligence.com/product/apache/airflow): 92 published vulnerabilities, 114 versions - [Struts](https://www.precursorintelligence.com/product/apache/struts): 87 published vulnerabilities, 174 versions - [Traffic Server](https://www.precursorintelligence.com/product/apache/traffic_server): 80 published vulnerabilities, 125 versions - [Superset](https://www.precursorintelligence.com/product/apache/superset): 62 published vulnerabilities, 136 versions - [Openoffice](https://www.precursorintelligence.com/product/apache/openoffice): 55 published vulnerabilities, 44 versions - [Ofbiz](https://www.precursorintelligence.com/product/apache/ofbiz): 52 published vulnerabilities, 64 versions - [Activemq](https://www.precursorintelligence.com/product/apache/activemq): 50 published vulnerabilities, 113 versions - [Subversion](https://www.precursorintelligence.com/product/apache/subversion): 47 published vulnerabilities, 186 versions Each product page lists its own known-exploited flaws. ## Which Apache vulnerabilities are being exploited? 44 flaws are on the government list of vulnerabilities known to be exploited, newest first: - [CVE-2016-3081](https://www.precursorintelligence.com/what-is/cve-2016-3081): Apache Struts Command Injection Vulnerability. High, CVSS 8.1, chance of use in 30 days 96%, known exploited since 8 October 2026. - [CVE-2024-38475](https://www.precursorintelligence.com/what-is/cve-2024-38475): Apache HTTP Server Improper Escaping of Output Vulnerability. Critical, CVSS 9.1, chance of use in 30 days >99%, known exploited since 1 May 2025. - [CVE-2025-24813](https://www.precursorintelligence.com/what-is/cve-2025-24813): Apache Tomcat Path Equivalence Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 1 April 2025. - [CVE-2024-45195](https://www.precursorintelligence.com/what-is/cve-2024-45195): Apache OFBiz Forced Browsing Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 4 February 2025. - [CVE-2024-27348](https://www.precursorintelligence.com/what-is/cve-2024-27348): Apache HugeGraph-Server Improper Access Control Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 18 September 2024. - [CVE-2024-38856](https://www.precursorintelligence.com/what-is/cve-2024-38856): Apache OFBiz Incorrect Authorization Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 27 August 2024. - [CVE-2024-32113](https://www.precursorintelligence.com/what-is/cve-2024-32113): Apache OFBiz Path Traversal Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 7 August 2024. - [CVE-2020-17519](https://www.precursorintelligence.com/what-is/cve-2020-17519): Apache Flink Improper Access Control Vulnerability. High, CVSS 7.5, chance of use in 30 days 98%, known exploited since 23 May 2024. - [CVE-2023-27524](https://www.precursorintelligence.com/what-is/cve-2023-27524): Apache Superset Insecure Default Initialization of Resource Vulnerability. High, CVSS 8.9, chance of use in 30 days 97%, known exploited since 8 January 2024. - [CVE-2023-46604](https://www.precursorintelligence.com/what-is/cve-2023-46604): Apache ActiveMQ Deserialization of Untrusted Data Vulnerability. Critical, CVSS 10.0, chance of use in 30 days >99%, known exploited since 2 November 2023. - [CVE-2023-44487](https://www.precursorintelligence.com/what-is/cve-2023-44487): HTTP/2 Rapid Reset Attack Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 10 October 2023. - [CVE-2023-33246](https://www.precursorintelligence.com/what-is/cve-2023-33246): Apache RocketMQ Command Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 97%, known exploited since 6 September 2023. - [CVE-2016-3427](https://www.precursorintelligence.com/what-is/cve-2016-3427): Oracle Java SE and JRockit Unspecified Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 92%, known exploited since 12 May 2023. - [CVE-2016-8735](https://www.precursorintelligence.com/what-is/cve-2016-8735): Apache Tomcat Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 90%, known exploited since 12 May 2023. - [CVE-2021-45046](https://www.precursorintelligence.com/what-is/cve-2021-45046): Apache Log4j2 Deserialization of Untrusted Data Vulnerability. Critical, CVSS 9.0, chance of use in 30 days >99%, known exploited since 1 May 2023. - [CVE-2022-33891](https://www.precursorintelligence.com/what-is/cve-2022-33891): Apache Spark Command Injection Vulnerability. High, CVSS 8.8, chance of use in 30 days 93%, known exploited since 7 March 2023. - [CVE-2022-24112](https://www.precursorintelligence.com/what-is/cve-2022-24112): Apache APISIX Authentication Bypass Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 96%, known exploited since 25 August 2022. - [CVE-2022-24706](https://www.precursorintelligence.com/what-is/cve-2022-24706): Apache CouchDB Insecure Default Initialization of Resource Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 93%, known exploited since 25 August 2022. - [CVE-2018-1273](https://www.precursorintelligence.com/what-is/cve-2018-1273): VMware Tanzu Spring Data Commons Property Binder Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 97%, known exploited since 25 March 2022. - [CVE-2013-2251](https://www.precursorintelligence.com/what-is/cve-2013-2251): Apache Struts Improper Input Validation Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 25 March 2022. - [CVE-2020-1956](https://www.precursorintelligence.com/what-is/cve-2020-1956): Apache Kylin OS Command Injection Vulnerability. High, CVSS 8.8, chance of use in 30 days 97%, known exploited since 25 March 2022. - [CVE-2017-12617](https://www.precursorintelligence.com/what-is/cve-2017-12617): Apache Tomcat Remote Code Execution Vulnerability. High, CVSS 8.1, chance of use in 30 days >99%, known exploited since 25 March 2022. - [CVE-2017-12615](https://www.precursorintelligence.com/what-is/cve-2017-12615): Apache Tomcat on Windows Remote Code Execution Vulnerability. High, CVSS 8.1, chance of use in 30 days >99%, known exploited since 25 March 2022. - [CVE-2020-1938](https://www.precursorintelligence.com/what-is/cve-2020-1938): Apache Tomcat Improper Privilege Management Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 3 March 2022. - [CVE-2017-9791](https://www.precursorintelligence.com/what-is/cve-2017-9791): Apache Struts 1 Improper Input Validation Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 99%, known exploited since 10 February 2022. - [CVE-2016-3088](https://www.precursorintelligence.com/what-is/cve-2016-3088): Apache ActiveMQ Improper Input Validation Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 99%, known exploited since 10 February 2022. - [CVE-2012-0391](https://www.precursorintelligence.com/what-is/cve-2012-0391): Apache Struts 2 Improper Input Validation Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 76%, known exploited since 21 January 2022. - [CVE-2006-1547](https://www.precursorintelligence.com/what-is/cve-2006-1547): Apache Struts 1 ActionForm Denial-of-Service Vulnerability. High, CVSS 7.5, chance of use in 30 days 55%, known exploited since 21 January 2022. - [CVE-2020-13927](https://www.precursorintelligence.com/what-is/cve-2020-13927): Apache Airflow's Experimental API Authentication Bypass. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 18 January 2022. - [CVE-2020-11978](https://www.precursorintelligence.com/what-is/cve-2020-11978): Apache Airflow Command Injection. High, CVSS 8.8, chance of use in 30 days >99%, known exploited since 18 January 2022. - [CVE-2021-21315](https://www.precursorintelligence.com/what-is/cve-2021-21315): System Information Library for Node.JS Command Injection. High, CVSS 7.1, chance of use in 30 days 91%, known exploited since 18 January 2022. - [CVE-2021-44228](https://www.precursorintelligence.com/what-is/cve-2021-44228): Apache Log4j2 Remote Code Execution Vulnerability. Critical, CVSS 10.0, chance of use in 30 days >99%, known exploited since 10 December 2021. - [CVE-2019-0193](https://www.precursorintelligence.com/what-is/cve-2019-0193): Apache Solr DataImportHandler Code Injection Vulnerability. High, CVSS 7.2, chance of use in 30 days 84%, known exploited since 10 December 2021. - [CVE-2021-40438](https://www.precursorintelligence.com/what-is/cve-2021-40438): Apache HTTP Server-Side Request Forgery (SSRF). Critical, CVSS 9.0, chance of use in 30 days >99%, known exploited since 1 December 2021. - [CVE-2021-42013](https://www.precursorintelligence.com/what-is/cve-2021-42013): Apache HTTP Server Path Traversal Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2020-17530](https://www.precursorintelligence.com/what-is/cve-2020-17530): Apache Struts Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 96%, known exploited since 3 November 2021. - [CVE-2017-5638](https://www.precursorintelligence.com/what-is/cve-2017-5638): Apache Struts Remote Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2016-4437](https://www.precursorintelligence.com/what-is/cve-2016-4437): Apache Shiro Code Execution Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 93%, known exploited since 3 November 2021. - [CVE-2018-11776](https://www.precursorintelligence.com/what-is/cve-2018-11776): Apache Struts Remote Code Execution Vulnerability. High, CVSS 8.1, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2017-9805](https://www.precursorintelligence.com/what-is/cve-2017-9805): Apache Struts Deserialization of Untrusted Data Vulnerability. High, CVSS 8.1, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2019-0211](https://www.precursorintelligence.com/what-is/cve-2019-0211): Apache HTTP Server Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 65%, known exploited since 3 November 2021. - [CVE-2019-15752](https://www.precursorintelligence.com/what-is/cve-2019-15752): Docker Desktop Community Edition Privilege Escalation Vulnerability. High, CVSS 7.8, chance of use in 30 days 49%, known exploited since 3 November 2021. - [CVE-2021-41773](https://www.precursorintelligence.com/what-is/cve-2021-41773): Apache HTTP Server Path Traversal Vulnerability. High, CVSS 7.5, chance of use in 30 days >99%, known exploited since 3 November 2021. - [CVE-2019-17558](https://www.precursorintelligence.com/what-is/cve-2019-17558): Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Vulnerability. High, CVSS 7.5, chance of use in 30 days 99%, known exploited since 3 November 2021. ## Which Apache flaws are most likely to be used? Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days): - [CVE-2017-5638](https://www.precursorintelligence.com/what-is/cve-2017-5638): >99%, Critical (CVSS 9.8), known exploited - [CVE-2013-2251](https://www.precursorintelligence.com/what-is/cve-2013-2251): >99%, Critical (CVSS 9.8), known exploited - [CVE-2017-12617](https://www.precursorintelligence.com/what-is/cve-2017-12617): >99%, High (CVSS 8.1), known exploited - [CVE-2008-2938](https://www.precursorintelligence.com/what-is/cve-2008-2938): >99%, Medium (CVSS 4.3) - [CVE-2017-12615](https://www.precursorintelligence.com/what-is/cve-2017-12615): >99%, High (CVSS 8.1), known exploited - [CVE-2014-0094](https://www.precursorintelligence.com/what-is/cve-2014-0094): >99%, Medium (CVSS 5.0) - [CVE-2014-0114](https://www.precursorintelligence.com/what-is/cve-2014-0114): >99%, High (CVSS 7.5) - [CVE-2011-3192](https://www.precursorintelligence.com/what-is/cve-2011-3192): 99%, High (CVSS 7.8) - [CVE-2016-3088](https://www.precursorintelligence.com/what-is/cve-2016-3088): 99%, Critical (CVSS 9.8), known exploited ## All Apache products we track 354 products with at least one tracked version, most vulnerabilities first (the top 150 here; every product is on the page): - [HTTP Server](https://www.precursorintelligence.com/product/apache/http_server): 318 vulnerabilities, 267 versions - [Tomcat](https://www.precursorintelligence.com/product/apache/tomcat): 233 vulnerabilities, 656 versions - [Airflow](https://www.precursorintelligence.com/product/apache/airflow): 92 vulnerabilities, 114 versions - [Struts](https://www.precursorintelligence.com/product/apache/struts): 87 vulnerabilities, 174 versions - [Traffic Server](https://www.precursorintelligence.com/product/apache/traffic_server): 80 vulnerabilities, 125 versions - [Superset](https://www.precursorintelligence.com/product/apache/superset): 62 vulnerabilities, 136 versions - [Openoffice](https://www.precursorintelligence.com/product/apache/openoffice): 55 vulnerabilities, 44 versions - [Ofbiz](https://www.precursorintelligence.com/product/apache/ofbiz): 52 vulnerabilities, 64 versions - [Activemq](https://www.precursorintelligence.com/product/apache/activemq): 50 vulnerabilities, 113 versions - [Subversion](https://www.precursorintelligence.com/product/apache/subversion): 47 vulnerabilities, 186 versions - [Cxf](https://www.precursorintelligence.com/product/apache/cxf): 42 vulnerabilities, 215 versions - [Nifi](https://www.precursorintelligence.com/product/apache/nifi): 42 vulnerabilities, 77 versions - [Solr](https://www.precursorintelligence.com/product/apache/solr): 40 vulnerabilities, 131 versions - [Hadoop](https://www.precursorintelligence.com/product/apache/hadoop): 36 vulnerabilities, 146 versions - [Inlong](https://www.precursorintelligence.com/product/apache/inlong): 31 vulnerabilities, 21 versions - [Camel](https://www.precursorintelligence.com/product/apache/camel): 28 vulnerabilities, 258 versions - [Cloudstack](https://www.precursorintelligence.com/product/apache/cloudstack): 28 vulnerabilities, 108 versions - [Ambari](https://www.precursorintelligence.com/product/apache/ambari): 26 vulnerabilities, 46 versions - [Openmeetings](https://www.precursorintelligence.com/product/apache/openmeetings): 25 vulnerabilities, 39 versions - [Dolphinscheduler](https://www.precursorintelligence.com/product/apache/dolphinscheduler): 24 vulnerabilities, 47 versions - [Tika](https://www.precursorintelligence.com/product/apache/tika): 24 vulnerabilities, 67 versions - [Jspwiki](https://www.precursorintelligence.com/product/apache/jspwiki): 24 vulnerabilities, 63 versions - [Geode](https://www.precursorintelligence.com/product/apache/geode): 23 vulnerabilities, 43 versions - [Zeppelin](https://www.precursorintelligence.com/product/apache/zeppelin): 22 vulnerabilities, 20 versions - [Spark](https://www.precursorintelligence.com/product/apache/spark): 20 vulnerabilities, 89 versions - [Archiva](https://www.precursorintelligence.com/product/apache/archiva): 20 vulnerabilities, 39 versions - [Couchdb](https://www.precursorintelligence.com/product/apache/couchdb): 20 vulnerabilities, 55 versions - [Kylin](https://www.precursorintelligence.com/product/apache/kylin): 20 vulnerabilities, 41 versions - [Pulsar](https://www.precursorintelligence.com/product/apache/pulsar): 19 vulnerabilities, 110 versions - [Ranger](https://www.precursorintelligence.com/product/apache/ranger): 19 vulnerabilities, 24 versions - [Dubbo](https://www.precursorintelligence.com/product/apache/dubbo): 19 vulnerabilities, 106 versions - [Cordova](https://www.precursorintelligence.com/product/apache/cordova): 18 vulnerabilities, 89 versions - [Shiro](https://www.precursorintelligence.com/product/apache/shiro): 17 vulnerabilities, 39 versions - [Qpid](https://www.precursorintelligence.com/product/apache/qpid): 16 vulnerabilities, 34 versions - [Linkis](https://www.precursorintelligence.com/product/apache/linkis): 16 vulnerabilities, 26 versions - [Fineract](https://www.precursorintelligence.com/product/apache/fineract): 16 vulnerabilities, 27 versions - [Wicket](https://www.precursorintelligence.com/product/apache/wicket): 15 vulnerabilities, 178 versions - [Jmeter](https://www.precursorintelligence.com/product/apache/jmeter): 14 vulnerabilities, 47 versions - [Roller](https://www.precursorintelligence.com/product/apache/roller): 14 vulnerabilities, 56 versions - [James](https://www.precursorintelligence.com/product/apache/james): 14 vulnerabilities, 11 versions - [Hive](https://www.precursorintelligence.com/product/apache/hive): 14 vulnerabilities, 60 versions - [Log4j](https://www.precursorintelligence.com/product/apache/log4j): 13 vulnerabilities, 79 versions - [Spamassassin](https://www.precursorintelligence.com/product/apache/spamassassin): 13 vulnerabilities, 29 versions - [Guacamole](https://www.precursorintelligence.com/product/apache/guacamole): 13 vulnerabilities, 47 versions - [Syncope](https://www.precursorintelligence.com/product/apache/syncope): 13 vulnerabilities, 82 versions - [Iotdb](https://www.precursorintelligence.com/product/apache/iotdb): 12 vulnerabilities, 47 versions - [Karaf](https://www.precursorintelligence.com/product/apache/karaf): 12 vulnerabilities, 93 versions - [Commons Compress](https://www.precursorintelligence.com/product/apache/commons_compress): 11 vulnerabilities, 31 versions - [Storm](https://www.precursorintelligence.com/product/apache/storm): 11 vulnerabilities, 37 versions - [Streampark](https://www.precursorintelligence.com/product/apache/streampark): 11 vulnerabilities, 15 versions - Xerces-C++: 11 vulnerabilities, 32 versions - [Cassandra](https://www.precursorintelligence.com/product/apache/cassandra): 11 vulnerabilities, 235 versions - [Batik](https://www.precursorintelligence.com/product/apache/batik): 11 vulnerabilities, 18 versions - [Geronimo](https://www.precursorintelligence.com/product/apache/geronimo): 11 vulnerabilities, 26 versions - [Atlas](https://www.precursorintelligence.com/product/apache/atlas): 11 vulnerabilities, 17 versions - [Hertzbeat](https://www.precursorintelligence.com/product/apache/hertzbeat): 11 vulnerabilities, 24 versions - [Ozone](https://www.precursorintelligence.com/product/apache/ozone): 10 vulnerabilities, 8 versions - [Activemq Artemis](https://www.precursorintelligence.com/product/apache/activemq_artemis): 10 vulnerabilities, 66 versions - [Tomee](https://www.precursorintelligence.com/product/apache/tomee): 10 vulnerabilities, 42 versions - [Tapestry](https://www.precursorintelligence.com/product/apache/tapestry): 10 vulnerabilities, 114 versions - [Mesos](https://www.precursorintelligence.com/product/apache/mesos): 9 vulnerabilities, 87 versions - [Poi](https://www.precursorintelligence.com/product/apache/poi): 9 vulnerabilities, 54 versions - [Portable Runtime](https://www.precursorintelligence.com/product/apache/portable_runtime): 9 vulnerabilities, 82 versions - [Shenyu](https://www.precursorintelligence.com/product/apache/shenyu): 9 vulnerabilities, 13 versions - [Apisix](https://www.precursorintelligence.com/product/apache/apisix): 9 vulnerabilities, 69 versions - [Druid](https://www.precursorintelligence.com/product/apache/druid): 9 vulnerabilities, 404 versions - [Pdfbox](https://www.precursorintelligence.com/product/apache/pdfbox): 8 vulnerabilities, 69 versions - [Qpid Broker-J](https://www.precursorintelligence.com/product/apache/qpid_broker-j): 8 vulnerabilities, 48 versions - [Derby](https://www.precursorintelligence.com/product/apache/derby): 8 vulnerabilities, 33 versions - [Kafka](https://www.precursorintelligence.com/product/apache/kafka): 8 vulnerabilities, 81 versions - [Traffic Control](https://www.precursorintelligence.com/product/apache/traffic_control): 8 vulnerabilities, 39 versions - [Answer](https://www.precursorintelligence.com/product/apache/answer): 7 vulnerabilities, 37 versions - [Axis](https://www.precursorintelligence.com/product/apache/axis): 7 vulnerabilities, 6 versions - [Zookeeper](https://www.precursorintelligence.com/product/apache/zookeeper): 7 vulnerabilities, 100 versions - [Ignite](https://www.precursorintelligence.com/product/apache/ignite): 7 vulnerabilities, 44 versions - [Bookkeeper](https://www.precursorintelligence.com/product/apache/bookkeeper): 7 vulnerabilities, 39 versions - [Thrift](https://www.precursorintelligence.com/product/apache/thrift): 7 vulnerabilities, 17 versions - [Impala](https://www.precursorintelligence.com/product/apache/impala): 7 vulnerabilities, 13 versions - [Santuario XML Security for Java](https://www.precursorintelligence.com/product/apache/santuario_xml_security_for_java): 6 vulnerabilities, 57 versions - [Apr-Util](https://www.precursorintelligence.com/product/apache/apr-util): 6 vulnerabilities, 112 versions - [Axis2](https://www.precursorintelligence.com/product/apache/axis2): 6 vulnerabilities, 14 versions - [Cxf Fediz](https://www.precursorintelligence.com/product/apache/cxf_fediz): 6 vulnerabilities, 23 versions - [Drill](https://www.precursorintelligence.com/product/apache/drill): 6 vulnerabilities, 29 versions - [Httpclient](https://www.precursorintelligence.com/product/apache/httpclient): 6 vulnerabilities, 39 versions - [Jackrabbit](https://www.precursorintelligence.com/product/apache/jackrabbit): 6 vulnerabilities, 248 versions - [Jena](https://www.precursorintelligence.com/product/apache/jena): 6 vulnerabilities, 48 versions - [Jetspeed](https://www.precursorintelligence.com/product/apache/jetspeed): 6 vulnerabilities, 5 versions - [Juddi](https://www.precursorintelligence.com/product/apache/juddi): 6 vulnerabilities, 22 versions - [Mod Python](https://www.precursorintelligence.com/product/apache/mod_python): 6 vulnerabilities, 33 versions - [Pluto](https://www.precursorintelligence.com/product/apache/pluto): 6 vulnerabilities, 18 versions - [Sling](https://www.precursorintelligence.com/product/apache/sling): 6 vulnerabilities, 8 versions - XML Security for C++: 6 vulnerabilities, 14 versions - [Avro](https://www.precursorintelligence.com/product/apache/avro): 5 vulnerabilities, 61 versions - [Allura](https://www.precursorintelligence.com/product/apache/allura): 5 vulnerabilities, 24 versions - [Commons Fileupload](https://www.precursorintelligence.com/product/apache/commons_fileupload): 5 vulnerabilities, 14 versions - [Hbase](https://www.precursorintelligence.com/product/apache/hbase): 5 vulnerabilities, 116 versions - [Wss4j](https://www.precursorintelligence.com/product/apache/wss4j): 5 vulnerabilities, 61 versions - [Apache-Airflow-Providers-Apache-Hive](https://www.precursorintelligence.com/product/apache/apache-airflow-providers-apache-hive): 5 vulnerabilities, 28 versions - [Myfaces](https://www.precursorintelligence.com/product/apache/myfaces): 5 vulnerabilities, 99 versions - [Mod Fcgid](https://www.precursorintelligence.com/product/apache/mod_fcgid): 4 vulnerabilities, 10 versions - [Streampipes](https://www.precursorintelligence.com/product/apache/streampipes): 4 vulnerabilities, 22 versions - [Openoffice.org](https://www.precursorintelligence.com/product/apache/openoffice.org): 4 vulnerabilities, 8 versions - [Brpc](https://www.precursorintelligence.com/product/apache/brpc): 4 vulnerabilities, 24 versions - [Seata](https://www.precursorintelligence.com/product/apache/seata): 4 vulnerabilities, 44 versions - [Sling CMS](https://www.precursorintelligence.com/product/apache/sling_cms): 4 vulnerabilities, 11 versions - [Commons Configuration](https://www.precursorintelligence.com/product/apache/commons_configuration): 4 vulnerabilities, 25 versions - [Rocketmq](https://www.precursorintelligence.com/product/apache/rocketmq): 4 vulnerabilities, 28 versions - [Oozie](https://www.precursorintelligence.com/product/apache/oozie): 4 vulnerabilities, 17 versions - [Olingo](https://www.precursorintelligence.com/product/apache/olingo): 4 vulnerabilities, 7 versions - [Sshd](https://www.precursorintelligence.com/product/apache/sshd): 4 vulnerabilities, 40 versions - [Netbeans](https://www.precursorintelligence.com/product/apache/netbeans): 4 vulnerabilities, 8 versions - [Nuttx](https://www.precursorintelligence.com/product/apache/nuttx): 4 vulnerabilities, 157 versions - [Cocoon](https://www.precursorintelligence.com/product/apache/cocoon): 4 vulnerabilities, 13 versions - [Commons Beanutils](https://www.precursorintelligence.com/product/apache/commons_beanutils): 4 vulnerabilities, 21 versions - [Submarine](https://www.precursorintelligence.com/product/apache/submarine): 4 vulnerabilities, 2 versions - [Ant](https://www.precursorintelligence.com/product/apache/ant): 4 vulnerabilities, 51 versions - [James Server](https://www.precursorintelligence.com/product/apache/james_server): 4 vulnerabilities, 31 versions - [Any23](https://www.precursorintelligence.com/product/apache/any23): 4 vulnerabilities, 22 versions - [Brooklyn](https://www.precursorintelligence.com/product/apache/brooklyn): 3 vulnerabilities, 10 versions - [Libapreq2](https://www.precursorintelligence.com/product/apache/libapreq2): 3 vulnerabilities, 22 versions - [Libcloud](https://www.precursorintelligence.com/product/apache/libcloud): 3 vulnerabilities, 69 versions - [Log4cxx](https://www.precursorintelligence.com/product/apache/log4cxx): 3 vulnerabilities, 8 versions - [Xerces2 Java](https://www.precursorintelligence.com/product/apache/xerces2_java): 3 vulnerabilities, 3 versions - [Tomcat Jk Connector](https://www.precursorintelligence.com/product/apache/tomcat_jk_connector): 3 vulnerabilities, 16 versions - [Flink](https://www.precursorintelligence.com/product/apache/flink): 3 vulnerabilities, 81 versions - [Mina](https://www.precursorintelligence.com/product/apache/mina): 3 vulnerabilities, 71 versions - [Unomi](https://www.precursorintelligence.com/product/apache/unomi): 3 vulnerabilities, 9 versions - [Flume](https://www.precursorintelligence.com/product/apache/flume): 3 vulnerabilities, 4 versions - [Uimaj](https://www.precursorintelligence.com/product/apache/uimaj): 3 vulnerabilities, 27 versions - [Mod Perl](https://www.precursorintelligence.com/product/apache/mod_perl): 3 vulnerabilities, 35 versions - [Tomcat Native](https://www.precursorintelligence.com/product/apache/tomcat_native): 3 vulnerabilities, 87 versions - [Ivy](https://www.precursorintelligence.com/product/apache/ivy): 3 vulnerabilities, 7 versions - [Groovy](https://www.precursorintelligence.com/product/apache/groovy): 3 vulnerabilities, 110 versions - [Skywalking](https://www.precursorintelligence.com/product/apache/skywalking): 3 vulnerabilities, 37 versions - [Pinot](https://www.precursorintelligence.com/product/apache/pinot): 3 vulnerabilities, 20 versions - [Pony Mail](https://www.precursorintelligence.com/product/apache/pony_mail): 3 vulnerabilities, 13 versions - [Apache-Airflow-Providers-Apache-Spark](https://www.precursorintelligence.com/product/apache/apache-airflow-providers-apache-spark): 3 vulnerabilities, 16 versions - [Doris](https://www.precursorintelligence.com/product/apache/doris): 3 vulnerabilities, 18 versions - [Shardingsphere](https://www.precursorintelligence.com/product/apache/shardingsphere): 3 vulnerabilities, 10 versions - [Servicecomb](https://www.precursorintelligence.com/product/apache/servicecomb): 3 vulnerabilities, 7 versions - [Heron](https://www.precursorintelligence.com/product/apache/heron): 3 vulnerabilities, 111 versions - [Virtual Computing Lab](https://www.precursorintelligence.com/product/apache/virtual_computing_lab): 3 vulnerabilities, 11 versions - [Nutch](https://www.precursorintelligence.com/product/apache/nutch): 2 vulnerabilities, 4 versions - [Maven](https://www.precursorintelligence.com/product/apache/maven): 2 vulnerabilities, 25 versions - [Chainsaw](https://www.precursorintelligence.com/product/apache/chainsaw): 2 vulnerabilities, 2 versions - [Xalan-Java](https://www.precursorintelligence.com/product/apache/xalan-java): 2 vulnerabilities, 14 versions - [Log4net](https://www.precursorintelligence.com/product/apache/log4net): 2 vulnerabilities, 9 versions - [Cordova File Transfer](https://www.precursorintelligence.com/product/apache/cordova_file_transfer): 2 vulnerabilities, 28 versions - [Sling Servlets Post](https://www.precursorintelligence.com/product/apache/sling_servlets_post): 2 vulnerabilities, 1 version - [Isis](https://www.precursorintelligence.com/product/apache/isis): 2 vulnerabilities, 26 versions ## Questions ### How many vulnerabilities does Apache have? Our catalogue lists 2,540 published vulnerabilities across 391 products and 12,777 versions from Apache. The most recent Apache flaw added to the known-exploited list is CVE-2016-3081, on 8 October 2026. ### Which Apache vulnerabilities are being exploited? 44 Apache vulnerabilities are on the list of flaws known to be exploited. The most recently added are CVE-2016-3081, CVE-2024-38475 and CVE-2025-24813. The full list is on this page. ### Which Apache product has the most vulnerabilities? HTTP Server, with 318 published vulnerabilities. Its own page lists the ones known to be exploited. ### How do I get alerts for new Apache vulnerabilities? Create a Precursor Intelligence account and track the Apache products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook. ## Running Apache? Precursor Intelligence keeps checking for you: - **Tell us what you run.** Pick your software from a list, or let us work it out from your website. - **We match it to every flaw.** Over 400,000 published flaws, checked against your list. - **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it. - **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools. Start free (no card, nothing to install): https://www.precursorintelligence.com/register Book a demo: https://www.precursorintelligence.com/contact