Bitbucket Server vulnerabilities

6 known vulnerabilities in Bitbucket Server from Atlassian. 6 are rated high or critical, and 2 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.5 High severity

  Atlassian Multiple Products Files or Directories Accessible to External Parties Exploited

  CVE-2026-21589Oct 5, 2026AtlassianEPSS 99.7%

  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 unauthenti

• 8.8 High severity

  Bitbucket Data Center: Improper Control of Generation of Code

  CVE-2023-22513Sep 19, 2023AtlassianEPSS 15.3%

  This High severity RCE (Remote Code Execution) vulnerability was introduced in version 8.0.0 of Bitbucket Data Center and Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary co

• 9.8 Critical severity

  Bitbucket Data Center: Improper Neutralization of Special Elements used in a Command

  CVE-2022-43781Nov 17, 2022AtlassianEPSS 98%

  There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthen

• 8.8 High severity

  Atlassian Bitbucket Server and Data Center Command Injection Exploited

  CVE-2022-36804Aug 25, 2022AtlassianEPSS 99%

  Multiple API endpoints in Atlassian Bitbucket Server and Data Center 7.0.0 before version 7.6.17, from version 7.7.0 before version 7.17.10, from version 7.18.0 before version 7.21.4, from version 8.0.0 before version 8.0.3, from version 8.1.0 before version 8

• 8.8 High severity

  Bamboo Server: Origin Validation Error

  CVE-2022-26137Jul 20, 2022AtlassianEPSS 2.41%

  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 ass

• 9.8 Critical severity

  Bamboo Server: Improper Authentication

  CVE-2022-26136Jul 20, 2022AtlassianEPSS 5.66%

  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 ca