CVE-2023-0805 Missing authorization in GitLab

Medium 4.9 Published 3 May 2023 Updated 12 Feb 2025

A banned group member retains access to public projects, allowing unauthorized data reading in GitLab Enterprise Edition.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2023-0805?

CVE-2023-0805 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 3 May 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An issue has been discovered in GitLab EE affecting all versions starting from 15.2 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. A malicious group member may continue to have access to the public projects of a public group even after being banned from the public group by the owner.

Weakness: CWE-862

Which versions are affected by CVE-2023-0805?

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

Package	Affected	Fixed in
`gitlab` Bitnami	From `15.2.0`	`15.9.6, 15.10.5, 15.11.1`

Products include Gitlab Gitlab.

How do I fix CVE-2023-0805?

Upgrade gitlab to a fixed version for your release line: 15.9.6, 15.10.5 or 15.11.1.

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

Is CVE-2023-0805 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0805 exists.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2023-0805, GHSA-99jh-9v4f-3xmf.