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CVE-2025-11340 Incorrect Authorization in GitLab

High 7.7 Published Updated

Authenticated users with read-only API tokens can perform unauthorized write operations on vulnerability records via GraphQL mutations.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2025-11340?

CVE-2025-11340 is a high-severity missing authorization vulnerability in Gitlab Gitlab, published on 9 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 to 18.3.4, 18.4 to 18.4.2 that, under certain conditions, could have allowed authenticated users with read-only API tokens to perform unauthorized write operations on vulnerability records by exploiting incorrectly scoped GraphQL mutations.

Weakness: CWE-863

Which versions are affected by CVE-2025-11340?

1 open source package ship an affected version, including gitlab. It affects 1 product.

PackageAffectedFixed in
gitlab BitnamiFrom 18.3.018.3.4, 18.4.2

Products include Gitlab Gitlab.

How do I fix CVE-2025-11340?

Upgrade gitlab to a fixed version for your release line: 18.3.4 or 18.4.2.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-11340 being exploited?

There is no known exploitation of CVE-2025-11340 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2025-11340, GHSA-qr9v-c6jg-wx28, UBUNTU-CVE-2025-11340.

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