Command injection in Ceph - #VU120183
Published: December 18, 2025
Vulnerability identifier: #VU120183
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands on the system.
The vulnerability exists due to insufficient input validation within the GitHub Actions workflow used for diffing Ceph config changes. A remote attacker can pass a specially crafted PR branch name and execute arbitrary commands on the system.
Affected software
Ceph
Remediation
Install updates from vendor's website.
Ceph - update to 20.2.0