Vulnerability · Published Jun 25, 2026 · Assigned by GitLab
CVE-2026-3176Missing Authorization in GitLab
Low 3.1
In plain English
A low-severity missing authorization in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.3%top 72.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with limited permissions to access project information due to insufficient authorization checks.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- HackerOne Bug Bounty Report #3568164 technical-description, exploit, permissions-required
- https://gitlab.com/gitlab-org/gitlab/-/work_items/591373
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/