CVE-2026-21571

Summary

This Critical severity OS Command Injection vulnerability was introduced in versions 9.6.0, 10.0.0, 10.1.0, 10.2.0, 11.0.0, 11.1.0, 12.0.0, and 12.1.0 of Bamboo Data Center.   This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 9.4 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H allows an authenticated attacker to execute commands on the remote system, which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction.   Atlassian recommends that Bamboo Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Bamboo Data Center 9.6.0: Upgrade to a release greater than or equal to 9.6.25 Bamboo Data Center 10.2: Upgrade to a release greater than or equal to 10.2.18  Bamboo Data Center 12.1: Upgrade to a release greater than or equal to 12.1.6

See the release notes ([https://confluence.atlassian.com/bambooreleases/bamboo-release-notes-1189793869.html]). You can download the latest version of Bamboo Data Center from the download center ([https://www.atlassian.com/software/bamboo/download-archives]).

Affected Software

VendorProductVersion RangeStatus
AtlassianBamboo Data Center12.1.0 to 12.1.3affected
AtlassianBamboo Data Center12.0.0 to 12.0.2affected
AtlassianBamboo Data Center11.0.0 to 11.0.8affected
AtlassianBamboo Data Center10.2.0 to 10.2.16affected
AtlassianBamboo Data Center10.1.0 to 10.1.1affected
AtlassianBamboo Data Center10.0.0 to 10.0.3affected
AtlassianBamboo Data Center9.6.2 to 9.6.24affected
AtlassianBamboo Data Center12.1.6unaffected
AtlassianBamboo Data Center10.2.18unaffected
AtlassianBamboo Data Center9.6.25unaffected

Weaknesses

  • OS Command Injection

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References