CVE-2026-3988
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 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 cause a denial of service by making the GitLab instance unresponsive due to improper input validation in GraphQL request processing.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 18.5 < 18.8.7 | affected |
| GitLab | GitLab | 18.9 < 18.9.3 | affected |
| GitLab | GitLab | 18.10 < 18.10.1 | affected |
Weaknesses
- CWE-407: CWE-407: Inefficient Algorithmic Complexity
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/593140
- https://hackerone.com/reports/3597342
- https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.