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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-3988

Inefficient Algorithmic Complexity in GitLab

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

GitLab GitLab

Default version status: unaffected

  • 18.5 to < 18.8.7affected
  • 18.9 to < 18.9.3affected
  • 18.10 to < 18.10.1affected

References