CVE-2026-3857
8.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to execute arbitrary GraphQL mutations on behalf of authenticated users due to insufficient CSRF protection.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 17.10 < 18.8.7 | affected |
| GitLab | GitLab | 18.9 < 18.9.3 | affected |
| GitLab | GitLab | 18.10 < 18.10.1 | affected |
Weaknesses
- CWE-352: CWE-352: Cross-Site Request Forgery (CSRF)
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/592828
- https://hackerone.com/reports/3584382
- https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/
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