[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fE-9ETDyfLTtt5mxGUsTtyz-6vlublYk99t72wImcqRg":3,"g5a-risk:CVE-2019-12086":284},{"success":4,"data":5,"meta":282},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":26,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":56,"references":57,"referencesCount":198,"weaknesses":199,"weaknessesCount":208,"isActivelyExploited":209,"cisaInfo":26,"otxData":26,"relatedBlogPosts":210,"seoMetadata":211,"configurations":236,"relatedVendorCves":266,"notableEvents":267},"CVE-2019-12086","What is CVE-2019-12086?","A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9. When Default Typing is enabled (either globally or for a specific property) for an externally exposed JSON endpoint, the service has the mysql-connector-java jar (8.0.14 or earlier) in the classpath, and an attacker can host a crafted MySQL server reachable by the victim, an attacker can send a crafted JSON message that allows them to read arbitrary local files on the server. This occurs because of missing com.mysql.cj.jdbc.admin.MiniAdmin validation.","A Polymorphic Typing issue was discovered in FasterXML jackson-databind 2.x before 2.9.9. When Default Typing is enabled (either globally or for a specific 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of Untrusted Data","The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.","It is often convenient to serialize objects for communication or to save them for later use. However, deserialized data or code can often be modified without using the provided accessor functions if it does not use cryptography to protect itself. Furthermore, any cryptography would still be client-side security -- which is a dangerous security assumption.\nData that is untrusted can not be trusted to be well-formed.\nWhen developers place no restrictions on \"gadget chains,\" or series of instances and method invocations that can self-execute during the deserialization process (i.e., before the object is returned to the caller), it is sometimes possible for attackers to leverage them to perform unauthorized actions, like generating a shell.","Draft","Base","Simple",1,false,[],{"title":212,"metaDescription":213,"keywords":214,"canonicalUrl":215,"structuredData":216},"What is CVE-2019-12086? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2019-12086, a high severity cyber security vulnerability from 2019. A Polymorphic Typing issue was discovered in FasterXML jack...","CVE-2019-12086, CVE-2019-12086 vulnerability, CVE-2019-12086 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2019, CVSS score, exploit, patch, remediation, fasterxml security, debian security, jackson-databind vulnerability, debian_linux vulnerability","\u002Fwhat-is\u002Fcve-2019-12086",{"@context":217,"@type":218,"headline":212,"description":213,"datePublished":10,"dateModified":11,"author":219,"publisher":223,"about":227,"mainEntityOfPage":231,"articleSection":234,"keywords":235},"https:\u002F\u002Fschema.org","TechArticle",{"@type":220,"name":221,"url":222},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":220,"name":221,"url":222,"logo":224},{"@type":225,"url":226},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":228,"name":6,"description":229,"additionalType":230},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":232,"@id":233},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2019-12086","Cybersecurity","CVE-2019-12086, CVE-2019-12086 vulnerability, CVE-2019-12086 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[237,258],{"Operator":26,"Negate":26,"Nodes":238},[239],{"Operator":240,"Negate":26,"CPEMatch":241},"OR",[242,246,250,254],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":243,"VersionStartExcluding":26,"VersionStartIncluding":244,"VersionEndExcluding":245,"VersionEndIncluding":26},"7036DA13-110D-40B3-8494-E361BBF4AFCD","2.0.0","2.6.7.3",{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":247,"VersionStartExcluding":26,"VersionStartIncluding":248,"VersionEndExcluding":249,"VersionEndIncluding":26},"89660FC3-9198-414C-B89D-C61A4438BA3B","2.7.0","2.7.9.6",{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":251,"VersionStartExcluding":26,"VersionStartIncluding":252,"VersionEndExcluding":253,"VersionEndIncluding":26},"5DB8A2D4-0FDE-4216-896B-52824106B97B","2.8.0","2.8.11.4",{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":255,"VersionStartExcluding":26,"VersionStartIncluding":256,"VersionEndExcluding":257,"VersionEndIncluding":26},"0E3E465E-0DE3-4DD3-A023-6444C47895CE","2.9.0","2.9.9",{"Operator":26,"Negate":26,"Nodes":259},[260],{"Operator":240,"Negate":26,"CPEMatch":261},[262,264],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":263,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":265,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"DEECE5FC-CACF-4496-A3E7-164736409252",[],[268,275],{"id":269,"eventType":270,"eventTime":271,"details":272,"label":273,"color":274},"5beeabe4-baf8-4b00-9e99-e85e926a00eb","HIGH_EPSS_DELTA","2025-11-19T04:06:39.275486+00:00","Daily EPSS score increased by 0.462 on 2023-12-30","EPSS Score Increased","red",{"id":276,"eventType":277,"eventTime":278,"details":279,"label":280,"color":281},"4477bc07-3f27-492b-aa7b-31da3063f7fa","LOW_EPSS_DELTA","2025-11-22T04:06:27.210698+00:00","Daily EPSS score decreased by 0.462 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":11,"cacheTime":283,"version":32},1792241175790,{"score":285,"band":159,"action":286,"scoredAt":287},48,"Plan remediation","2026-10-16T06:46:11.879191+00:00"]