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atlassian crowd vulnerabilities

24 published CVES affecting atlassian crowd, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
24
Critical
6
High
9
Medium
9
Low
0
Unscored
0
CISA KEV
2

Latest atlassian crowd CVEs

Newest publication first

  1. CVE-2026-21589 This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. T...

    Published
    CriticalCVSS 9.3 EPSS 99.7% CISA KEV added 2026-10-15 Exploited in the wild

    This is a vulnerability in Bitbucket Data Center, Confluence Data Center, Jira Service Management Data Center, Jira Software Data Center, Bamboo Data Center. Crowd Data Center, Crucible and Fisheye. This Arbitrary File Access vulnerability allows an unauthenticated attacker to ac...

  2. CVE-2026-21569 This High severity XXE (XML External Entity Injection) vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server. This XXE (XML External Entity Injection) vulnerability, with a CVS...

    Published
    HighCVSS 7.9 EPSS 0.33%

    This High severity XXE (XML External Entity Injection) vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server. This XXE (XML External Entity Injection) vulnerability, with a CVSS Score of 7.9, allows an authenticated attacker to access local and remote cont...

  3. CVE-2023-22521 This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.6 of Crowd Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.0,....

    Published
    HighCVSS 8.8 EPSS 1.2%

    This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.6 of Crowd Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.0, allows an authenticated attacker to execute arbitrary code which has high impact...

  4. CVE-2022-43782 Affected versions of Atlassian Crowd allow an attacker to authenticate as the crowd application via security misconfiguration and subsequent ability to call privileged endpoints in Crowd's REST API un...

    Published
    CriticalCVSS 9.8 EPSS 0.97%

    Affected versions of Atlassian Crowd allow an attacker to authenticate as the crowd application via security misconfiguration and subsequent ability to call privileged endpoints in Crowd's REST API under the {{usermanagement}} path. This vulnerability can only be exploited by IPs...

  5. CVE-2022-26137 A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to cause additional Servlet Filters to be invoked when the application processes requests or responses. Atlassi...

    Published
    HighCVSS 8.8 EPSS 2.4%

    A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to cause additional Servlet Filters to be invoked when the application processes requests or responses. Atlassian has confirmed and fixed the only known security issue associated with this vu...

  6. CVE-2022-26136 A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps. The impact depends on which filters are used by e...

    Published
    CriticalCVSS 9.8 EPSS 5.7%

    A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used by first and third party apps. The impact depends on which filters are used by each app, and how the filters are used. This vulnerability can result in authenti...

  7. CVE-2020-36240 The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version 4.1.0 before 4.1.2 allowed unauthenticated remote attackers to read arbitrary files within WEB-INF and META-INF di...

    Published
    MediumCVSS 5.3 EPSS 1.3%

    The ResourceDownloadRewriteRule class in Crowd before version 4.0.4, and from version 4.1.0 before 4.1.2 allowed unauthenticated remote attackers to read arbitrary files within WEB-INF and META-INF directories via an incorrect path access check.

  10. CVE-2017-18107 Various resources in the Crowd Demo application of Atlassian Crowd before version 3.1.1 allow remote attackers to modify add, modify and delete users & groups via a Cross-site request forgery (CSRF) v...

    Published
    MediumCVSS 6.5 EPSS 0.45%

    Various resources in the Crowd Demo application of Atlassian Crowd before version 3.1.1 allow remote attackers to modify add, modify and delete users & groups via a Cross-site request forgery (CSRF) vulnerability. Please be aware that the Demo application is not enabled by defaul...

  11. CVE-2019-15005 The Atlassian Troubleshooting and Support Tools plugin prior to version 1.17.2 allows an unprivileged user to initiate periodic log scans and send the results to a user-specified email address due to....

    Published
    MediumCVSS 4.3 EPSS 1.3%

    The Atlassian Troubleshooting and Support Tools plugin prior to version 1.17.2 allows an unprivileged user to initiate periodic log scans and send the results to a user-specified email address due to a missing authorization check. The email message may contain configuration infor...

  12. CVE-2019-11580 Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds. Attackers who can send unauthenticated or authenticated requests to a Crowd or Crowd....

    Published
    CriticalCVSS 9.8 EPSS 95.4% CISA KEV added 2021-11-03 Ransomware Exploited in the wild Framework module PoC

    Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds. Attackers who can send unauthenticated or authenticated requests to a Crowd or Crowd Data Center instance can exploit this vulnerability to install arbitrary plugins...

  13. CVE-2018-20239 Application Links before version 5.0.11, from version 5.1.0 before 5.2.10, from version 5.3.0 before 5.3.6, from version 5.4.0 before 5.4.12, and from version 6.0.0 before 6.0.4 allows remote attacker...

    Published
    MediumCVSS 5.4 EPSS 3.3%

    Application Links before version 5.0.11, from version 5.1.0 before 5.2.10, from version 5.3.0 before 5.3.6, from version 5.4.0 before 5.4.12, and from version 6.0.0 before 6.0.4 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulner...

  15. CVE-2017-18109 The login resource of CrowdId in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers to redirect users to a different website which they may use as...

    Published
    MediumCVSS 6.1 EPSS 1.1%

    The login resource of CrowdId in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers to redirect users to a different website which they may use as part of performing a phishing attack via an open redirect.

  17. CVE-2017-18106 The identifier_hash for a session token in Atlassian Crowd before version 2.9.1 could potentially collide with an identifier_hash for another user or a user in a different directory, this allows remot...

    Published
    HighCVSS 7.5 EPSS 1.2%

    The identifier_hash for a session token in Atlassian Crowd before version 2.9.1 could potentially collide with an identifier_hash for another user or a user in a different directory, this allows remote attackers who can authenticate to Crowd or an application using Crowd for auth...

  18. CVE-2017-18105 The console login resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers, who have previously obtained a user's JSESSIONID cookie, to gain...

    Published
    HighCVSS 8.1 EPSS 1.4%

    The console login resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers, who have previously obtained a user's JSESSIONID cookie, to gain access to some of the built-in and potentially third party rest resources via a...

  21. CVE-2017-16858 The 'crowd-application' plugin module (notably used by the Google Apps plugin) in Atlassian Crowd from version 1.5.0 before version 3.1.2 allowed an attacker to impersonate a Crowd user in REST reques...

    Published
    MediumCVSS 6.8 EPSS 0.57%

    The 'crowd-application' plugin module (notably used by the Google Apps plugin) in Atlassian Crowd from version 1.5.0 before version 3.1.2 allowed an attacker to impersonate a Crowd user in REST requests by being able to authenticate to a directory bound to an application using th...

  23. CVE-2013-3925 Atlassian Crowd 2.5.x before 2.5.4, 2.6.x before 2.6.3, 2.3.8, and 2.4.9 allows remote attackers to read arbitrary files and send HTTP requests to intranet servers via a request to (1) /services/2 or....

    Published
    MediumCVSS 5.8 EPSS 1.8%

    Atlassian Crowd 2.5.x before 2.5.4, 2.6.x before 2.6.3, 2.3.8, and 2.4.9 allows remote attackers to read arbitrary files and send HTTP requests to intranet servers via a request to (1) /services/2 or (2) services/latest with a DTD containing an XML external entity declaration in...

  24. CVE-2012-2926 Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before 4.1.10; FishEye and Crucible before 2.5.8, 2.6 before 2.6.8, and 2.7 before 2.7.12; Bamboo before 3.3.4 and 3.4....

    Published
    CriticalCVSS 9.1 EPSS 66.3% PoC

    Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before 4.1.10; FishEye and Crucible before 2.5.8, 2.6 before 2.6.8, and 2.7 before 2.7.12; Bamboo before 3.3.4 and 3.4.x before 3.4.5; and Crowd before 2.0.9, 2.1 before 2.1.2, 2.2 before 2.2.9, 2.3...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.