HIGHCVE-2026-3988Published Modified CNA GitLab
CVE-2026-3988: Inefficient Algorithmic Complexity in GitLab
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.
Metrics
- CVSS v3.1
- 7.5
- Severity
- HIGH
- Fixed in
- 18.8.7
- Affected Products
- 1
Fix available
18.8.718.9.318.10.1
Affected packages
- GitLab / GitLab< 18.8.7 (from 18.5) · < 18.9.3 (from 18.9) · < 18.10.1 (from 18.10)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H