Vulnerability · Published Jan 9, 2026 · Assigned by GitLab
CVE-2025-13781Missing Authorization in GitLab
Medium 6.5
In plain English
A medium-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 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 61.1% 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 18.5 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed an authenticated user to modify instance-wide AI feature provider settings by exploiting missing authorization checks in GraphQL mutations.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
References
- GitLab Issue #578756 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #3400940 technical-description, exploit, permissions-required
- https://about.gitlab.com/releases/2026/01/07/patch-release-gitlab-18-7-1-released/