High severity8.0NVD Advisory· Published Apr 22, 2026· Updated Jun 17, 2026
CVE-2026-5262
CVE-2026-5262
Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.1.0 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an unauthenticated user to access tokens in the Storybook development environment due to improper input validation.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*+ 3 more
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*range: >=16.1.0,<18.9.6
- cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*range: >=16.1.0,<18.9.6
- cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:community:*:*:*
- cpe:2.3:a:gitlab:gitlab:18.11.0:*:*:*:enterprise:*:*:*
- Range: from 16.1.0 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1
Patches
Vulnerability mechanics
References
2- about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/nvdRelease NotesVendor Advisory
- hackerone.com/reports/3574642nvdPermissions Required
News mentions
1- GitLab Patch Release: 18.11.1, 18.10.4, 18.9.6GitLab Security Releases · Apr 22, 2026