CVE-2026-2104

EUVD-2026-20797
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user to access confidential issues assigned to other users via CSV export due to insufficient authorization checks.
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: 4%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
18.2.0 ≤
𝑥
< 18.8.9
gitlabgitlab
18.9.0 ≤
𝑥
< 18.9.5
gitlabgitlab
18.10.0 ≤
𝑥
< 18.10.3
gitlabgitlab
18.2.0 ≤
𝑥
< 18.8.9
gitlabgitlab
18.9.0 ≤
𝑥
< 18.9.5
gitlabgitlab
18.10.0 ≤
𝑥
< 18.10.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2026/04/08/patch-release-gitlab-18-10-3-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/589021
https://hackerone.com/reports/3541476