CVE-2024-4024 Authentication Bypass by Assumed-Immutable Data in GitLab
Attackers can take over GitLab accounts linked to other users' Bitbucket accounts when Bitbucket is configured as an OAuth provider.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-4024?
CVE-2024-4024 is a high-severity authentication bypass vulnerability in Gitlab Gitlab, published on 25 Apr 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 7.8 before 16.9.6, all versions starting from 16.10 before 16.10.4, all versions starting from 16.11 before 16.11.1. Under certain conditions, an attacker with their Bitbucket account credentials may be able to take over a GitLab account linked to another user's Bitbucket account, if Bitbucket is used as an OAuth 2.0 provider on GitLab.
Which versions are affected by CVE-2024-4024?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 7.8.0 | 16.9.6, 16.10.4, 16.11.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2024-4024?
Upgrade gitlab to a fixed version for your release line: 16.9.6, 16.10.4 or 16.11.1.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-4024 being exploited?
There is no known exploitation of CVE-2024-4024 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2024-4024, GHSA-pvxf-9mm4-92xf, UBUNTU-CVE-2024-4024.