Description
An issue has been discovered in GitLab CE/EE affecting all versions from 10.7 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed authenticated users to disrupt access to token listings and related administrative operations by creating tokens with excessively large names.
Affected products
gitlab: gitlab
References3
- about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-… Release NotesVendor Advisory
- gitlab.com/gitlab-org/gitlab/-/issues/528469 Broken Link
- hackerone.com/reports/3049089 Permissions Required
Metrics
- CVSS 3.1
-
6.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 42 · as of 8 November 2026
- CWE
- CWE-1284
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.