CVE-2025-9484 Missing Authorization in GitLab

Medium 4.3 Published 8 Apr 2026 Updated 9 Apr 2026

Authenticated users can access other users' email addresses via GraphQL queries due to missing authorization checks in GitLab.

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-2025-9484?

CVE-2025-9484 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 8 Apr 2026. 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 16.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user to have access to other users' email addresses via certain GraphQL queries.

Weakness: CWE-862

Which versions are affected by CVE-2025-9484?

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

Package	Affected	Fixed in
`gitlab` Bitnami	From `16.6.0`	`18.8.9, 18.9.5, 18.10.3`

Products include Gitlab Gitlab.

How do I fix CVE-2025-9484?

Upgrade gitlab to a fixed version for your release line: 18.8.9, 18.9.5 or 18.10.3.

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

Is CVE-2025-9484 being exploited?

There is no known exploitation of CVE-2025-9484 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2025-9484, GHSA-m3c6-4xg4-583x, UBUNTU-CVE-2025-9484.