CVE-2022-2251 - CVE House
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Status published Medium CVE-2022-2251

Improper sanitization of branch names in GitLab Runner affecting all...

Vulnerability Description

Improper sanitization of branch names in GitLab Runner affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows a user who creates a branch with a specially crafted name and gets another user to trigger a pipeline to execute commands in the runner as that other user.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Thanks [stanlyoncm](https://hackerone.com/stanlyoncm) for reporting this vulnerability through our HackerOne bug bounty program

References

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Affected Vendor

Affected Software

GitLab Runner
Vulnerable Versions:
<15.3.5, >=15.4, <15.4.4, >=15.5, <15.5.2

Timeline

Official Publish: January 17th, 2023
Last Modified: April 8th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.