CVE-2025-8279 Missing Authentication for Critical Function in GitLab Language Server
Attackers can execute arbitrary GraphQL queries without authentication, potentially reading or modifying data in GitLab Language Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8279?
CVE-2025-8279 is a high-severity missing authorization vulnerability in GitLab Language Server, published on 28 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Insufficient input validation within GitLab Language Server 7.6.0 and later before 7.30.0 allows arbitrary GraphQL query execution
Weakness: CWE-306
Which versions are affected by CVE-2025-8279?
It affects 1 product.
Products include Gitlab Language Server.
How do I fix CVE-2025-8279?
No fix has been published for CVE-2025-8279 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-8279 being exploited?
There is no known exploitation of CVE-2025-8279 in the wild and no public exploit code.
Sources
Also known as GHSA-qrpw-3vx7-g7g2.