CVE-2026-6063

EUVD-2026-30233
GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control.
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:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 23.05%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
11.10.0 ≤
𝑥
< 18.9.7
gitlabgitlab
18.10.0 ≤
𝑥
< 18.10.6
gitlabgitlab
18.11.0 ≤
𝑥
< 18.11.3
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
ignored
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/596332
https://hackerone.com/reports/3649087