Description
GitLab has remediated an issue in GitLab EE affecting all versions from 13.2 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to disclose sensitive information from private projects by executing specifically crafted GraphQL queries.
Affected products
gitlab: gitlab
References3
- about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-… Release NotesVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/573766 Broken Link
- hackerone.com/reports/3307422 Permissions Required
Metrics
- CVSS 3.1
-
4.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - EPSS — exploit probability
- 0% percentile: 17 · as of 11 November 2026
- CWE
- CWE-639
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.