SB2025121802 - Remote code execution in Ceph



SB2025121802 - Remote code execution in Ceph

Published: December 18, 2025

Security Bulletin ID SB2025121802
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Command injection (CVE-ID: N/A)

CWE-ID: CWE-77 - Command injection

CVSSv4: 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/E:U/U:Amber


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.


Remediation

Install update from vendor's website.