Jira Software Data Center vulnerabilities

4 known vulnerabilities in Jira Software Data Center from Atlassian. 4 are rated high or critical, and 1 has 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

  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

• 9.8 Critical severity

  Jira Core Server: Improper Authentication

  CVE-2022-0540Apr 20, 2022AtlassianEPSS 88.1%

  A vulnerability in Jira Seraph allows a remote, unauthenticated attacker to bypass authentication by sending a specially crafted HTTP request. This affects Atlassian Jira Server and Data Center versions before 8.13.18, versions 8.14.0 and later before 8.20.6,