Unrated severityNVD Advisory· Published Nov 15, 2025· Updated Nov 17, 2025
Improper Handling of URL Encoding (Hex Encoding) in GitLab
CVE-2025-11990
Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to gain CSRF tokens by exploiting improper input validation in repository references combined with redirect handling weaknesses.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*range: 18.4
- (no CPE)range: >= 18.4, < 18.4.4; >= 18.5, < 18.5.2
Patches
Vulnerability mechanics
References
3- hackerone.com/reports/3257843mitretechnical-descriptionexploitpermissions-required
- gitlab.com/gitlab-org/gitlab/-/issues/577850mitreissue-trackingpermissions-required
- about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/mitre
News mentions
1- GitLab Patch Release: 18.5.2, 18.4.4, 18.3.6GitLab Security Releases · Nov 12, 2025