CVE-2022-2251

HighCVSS 8.0/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.0/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-78

Affected software

Vendor	Product	Versions
GitLab	GitLab Runner	<15.3.5; >=15.4, <15.4.4; >=15.5, <15.5.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2251.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27386Exploit, Issue Tracking, Vendor Advisory
https://hackerone.com/reports/1063511Permissions Required, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2251.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27386Exploit, Issue Tracking, Vendor Advisory
https://hackerone.com/reports/1063511Permissions Required, Third Party Advisory

Timeline

Published: Jan 17, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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