CVE-2022-2251

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.

Affected

GitLab · GitLab Runner

CVSS v3.1 NVD

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

CVSS v3.1 GITLAB

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

EPSS

1.18% chance of exploitation in the next 30 days, 67th percentile

Published

2023-01-17

Updated

2025-04-08

Proof-of-concept exploits (1)

• https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27386

Security advisories

• https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2251.json
• https://hackerone.com/reports/1063511

References

• CVE Record
• NVD entry