CVE-2026-3553

EUVD-2026-36232
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitLabCNA
3.1 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/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
12.0 ≤
𝑥
< 18.10.8
CNA
gitlabgitlab
18.11 ≤
𝑥
< 18.11.5
CNA
gitlabgitlab
19.0 ≤
𝑥
< 19.0.2
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/592295
https://hackerone.com/reports/3578216