CVE-2025-8279: GitLab Language Server

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Insufficient input validation within GitLab Language Server 7.6.0 and later before 7.30.0 allows arbitrary GraphQL query execution

Affected products

• GitLab Language Server: from 7.6.0, before 7.30.0 (fixed in 7.30.0)

Published 2025-07-28. Last modified 2026-06-17.