CVE-2026-5262
8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 16.1.0 < 18.9.6 | affected |
| GitLab | GitLab | 18.10 < 18.10.4 | affected |
| GitLab | GitLab | 18.11 < 18.11.1 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/595332
- https://hackerone.com/reports/3574642
- https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/
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