CVE-2026-4879

EUVD-2026-57441
GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 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 view external status check configuration restricted to higher-privileged roles due to missing authorization on a merge request API endpoint.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 23.69%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
16.0.0 ≤
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/594839
https://hackerone.com/reports/3622861