Command injection in Bamboo Data Center - CVE-2026-21571
Published: April 22, 2026
Vulnerability identifier: #VU126871
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-21571
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Atlassian
Affected software:
Bamboo Data Center
Bamboo Data Center
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary commands on the remote system.
The vulnerability exists due to command injection in Bamboo Data Center when handling requests. A remote user can send a specially crafted request to execute arbitrary commands on the remote system.
How to mitigate CVE-2026-21571
Install security update from vendor's website.