CVE-2022-2251

MEDIUM

Gitlab Runner < 15.3.5 - OS Command Injection

Title source: rule

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.

References (3)

[Vendor Advisory] https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2251.json

[Exploit, Issue Tracking, Vendor Advisory] https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27386

[Permissions Required, Third Party Advisory] https://hackerone.com/reports/1063511

Scores

CVSS v3 4.8

EPSS 0.0220

EPSS Percentile 84.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-78

Status published

Affected Products (1)

gitlab/runner < 15.3.5

Timeline

Published Jan 17, 2023

Tracked Since Feb 18, 2026