What is CVE-2025-8279?

CVE-2025-8279 is a high-severity vulnerability in Gitlab Language Server, classified under Missing Authentication for Critical Function. CVSS score: 8.7/10. Published 2025-07-28.

How severe is CVE-2025-8279?

High severity. CVSS v3 base score is 8.7 out of 10.

Auth bypass in Gitlab Language Server

CVE-2025-8279

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

Vulnerability class: Broken Authentication

EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Gitlab Language Server — versions 7.6.0
Gitlab Language_server

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

cve@gitlab.com (issue-tracking, permissions-required, Broken Link)

Frequently asked questions

What is CVE-2025-8279?: CVE-2025-8279 is a high-severity vulnerability in Gitlab Language Server, classified under Missing Authentication for Critical Function. CVSS score: 8.7/10. Published 2025-07-28.
How severe is CVE-2025-8279?: High severity. CVSS v3 base score is 8.7 out of 10.