CVE-2026-3035

EUVD-2026-66431
GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with project Maintainer permissions could have accessed the terminal of a protected environment they were not authorized to use due to improper authorization checks.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitLabCNA
5.5 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 14.78%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
gitlabgitlab
11.3 ≤
𝑥
< 19.1.7
CNA
gitlabgitlab
19.2 ≤
𝑥
< 19.2.5
CNA
gitlabgitlab
19.3 ≤
𝑥
< 19.3.1
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/591189
https://hackerone.com/reports/3529751