CVE-2026-1751 Missing Authorization in GitLab
An attacker can modify merge request approval rules without proper authorization, potentially bypassing security controls in GitLab.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-1751?
CVE-2026-1751 is a low-severity missing authorization vulnerability in Gitlab Gitlab, published on 2 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions.
Weakness: CWE-862
Which versions are affected by CVE-2026-1751?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 16.8.0 | 18.5.0 |
Products include Gitlab Gitlab.
How do I fix CVE-2026-1751?
Upgrade gitlab to 18.5.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-1751 being exploited?
There is no known exploitation of CVE-2026-1751 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-2026-1751, GHSA-3735-4fjf-vq4q, MINI-46jp-jcrw-4j3m, MINI-4g9r-mgph-ggcc, MINI-4h2m-8gc6-47gv, MINI-5q57-726v-mfgm and 9 more.