CVE-2026-4524

EUVD-2026-30229
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to access confidential issue content in public projects without proper authorization due to improper authorization checks.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitLabCNA
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
gitlabgitlab
18.9.1 ≤
𝑥
< 18.9.7
CNA
gitlabgitlab
18.10 ≤
𝑥
< 18.10.6
CNA
gitlabgitlab
18.11 ≤
𝑥
< 18.11.3
CNA
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
17.6.5-19
fixed
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/594295
https://hackerone.com/reports/3597717