Atlassian vulnerabilities13 known to be exploited.

Vendor13 known exploited
The short answer

Atlassian has 459 published vulnerabilities across 63 products in our catalogue. 13 of them are on the list of flaws known to be exploited, so criminals are using them now. The most affected product is Jira, with 143. If you run Atlassian software, patch the exploited flaws first.

See the exploited flaws

The most recent Atlassian flaw added to the known-exploited list is CVE-2021-26086, on 12 November 2024. We keep watching the known-exploited list.

Products

Which Atlassian products have the most vulnerabilities?

Jira leads with 143 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

Known exploited

Which Atlassian vulnerabilities are being exploited?

13 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 5.3
    CVE-2021-26086MediumKnown exploited
    Atlassian Jira Server and Data Center Path Traversal Vulnerability

    Atlassian Jira Server and Data Center contain a path traversal vulnerability that allows a remote attacker to read particular files in the /WEB-INF/web.xml endpoint.

    Chance of use>99%Known exploited since12 Nov 2024
  2. 9.8
    CVE-2023-22527CriticalKnown exploited
    Atlassian Confluence Data Center and Server Template Injection Vulnerability

    Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.

    Chance of use>99%Known exploited since24 Jan 2024
  3. 9.8
    CVE-2023-22518CriticalKnown exploited
    Atlassian Confluence Data Center and Server Improper Authorization Vulnerability

    Atlassian Confluence Data Center and Server contain an improper authorization vulnerability that can result in significant data loss when exploited by an unauthenticated attacker.

    Chance of use>99%Known exploited since7 Nov 2023
  4. 9.8
    CVE-2023-22515CriticalKnown exploited
    Atlassian Confluence Data Center and Server Broken Access Control Vulnerability

    Atlassian Confluence Data Center and Server contains a broken access control vulnerability that allows an attacker to create unauthorized Confluence administrator accounts and access Confluence.

    Chance of use>99%Known exploited since5 Oct 2023
  5. 8.8
    CVE-2022-36804HighKnown exploited
    Atlassian Bitbucket Server and Data Center Command Injection Vulnerability

    Multiple API endpoints of Atlassian Bitbucket Server and Data Center contain a command injection vulnerability where an attacker with access to a public Bitbucket repository, or with read permissions to a private...

    Chance of use>99%Known exploited since30 Sep 2022
  6. 9.8
    CVE-2022-26138CriticalKnown exploited
    Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability

    Atlassian Questions For Confluence App has hard-coded credentials, exposing the username and password in plaintext.

    Chance of use98%Known exploited since29 Jul 2022
  7. 9.8
    CVE-2022-26134CriticalKnown exploited
    Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability

    Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.

    Chance of use>99%Known exploited since2 Jun 2022
  8. 5.3
    CVE-2021-26085MediumKnown exploited
    Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability

    Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a pre-authorization arbitrary file read vulnerability in the /s/ endpoint.

    Chance of use>99%Known exploited since28 Mar 2022
Exploit likelihood

Which Atlassian 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. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. >99%
    CVE-2023-22518CriticalKnown exploited

    All versions of Confluence Data Center and Server are affected by this unexploited vulnerability.

    CVSS9.8Published31 Oct 2023
  2. >99%
    CVE-2022-26134CriticalKnown exploited

    In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance.

    CVSS9.8Published3 Jun 2022
  3. >99%
    CVE-2021-26084CriticalKnown exploited

    In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance.

    CVSS9.8Published30 Aug 2021
  4. >99%
    CVE-2021-26086MediumKnown exploited

    Affected versions of Atlassian Jira Server and Data Center allow remote attackers to read particular files via a path traversal vulnerability in the /WEB-INF/web.xml endpoint.

    CVSS5.3Published16 Aug 2021
  5. >99%
    CVE-2023-22527CriticalKnown exploited

    A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance.

    CVSS9.8Published16 Jan 2024
  6. >99%
    CVE-2021-26085MediumKnown exploited

    Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authorization Arbitrary File Read vulnerability in the /s/ endpoint.

    CVSS5.3Published3 Aug 2021
  7. >99%
    CVE-2019-3396CriticalKnown exploited

    The Widget Connector macro in Atlassian Confluence Server before version 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the fixed version for 6.12.x), from version 6.13.0 before 6.13.3 (the...

    CVSS9.8Published25 Mar 2019
  8. >99%

    Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint.

    CVSS5.3Published17 Sep 2020
  9. >99%
    CVE-2023-22515CriticalKnown exploited

    Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server...

    CVSS9.8Published4 Oct 2023
  10. >99%

    Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the QueryComponentRendererValue!Default.jspa endpoint.

    CVSS5.3Published12 May 2021
Every product

All Atlassian products we track.

59 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

This directory lists the 59 Atlassian products with at least one tracked version, of 63 in our catalogue.

Precursor Intelligence

Running Atlassian? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

Free plan, no card needed. Nothing to install.

FAQ

Common questions, answered plainly.

Something else? Talk to the team →

Our catalogue lists 459 published vulnerabilities across 63 products and 8,031 versions from Atlassian. The most recent Atlassian flaw added to the known-exploited list is CVE-2021-26086, on 12 November 2024.

13 Atlassian vulnerabilities are on the list of flaws known to be exploited. The most recently added are CVE-2021-26086, CVE-2023-22527 and CVE-2023-22518. The full list is on this page.

Jira, with 143 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the Atlassian 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.