CVE-2026-15423

EUVD-2026-57393
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute CI/CD pipelines on a protected branch without the required push permissions due to improper authorization in pipeline reference validation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.5 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 24.88%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
19.0.0 ≤
𝑥
< 19.0.6
gitlabgitlab
19.1.0 ≤
𝑥
< 19.1.4
gitlabgitlab
19.2.0 ≤
𝑥
< 19.2.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/605705
https://hackerone.com/reports/3832069