CVE-2026-78335 Incorrect Authorization in GitLab
Authenticated users with project-scoped tokens can modify group integrations outside their scope due to incorrect authorization checks.
- 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-2026-78335?
CVE-2026-78335 is a medium-severity missing authorization vulnerability in Gitlab Gitlab, published on 13 Oct 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 CE/EE affecting all versions from 19.1 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user holding a project-scoped fine-grained Personal Access Token to modify integrations belonging to a group outside the token's scope, due to incorrect authorization checks.
Weakness: CWE-863
Which versions are affected by CVE-2026-78335?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 19.1.0 | 19.2.8, 19.3.5, 19.4.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2026-78335?
Upgrade gitlab to a fixed version for your release line: 19.2.8, 19.3.5 or 19.4.2.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-78335 being exploited?
There is no known exploitation of CVE-2026-78335 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-2026-78335, GHSA-fqqc-43f5-5hmg, MINI-2c75-5v2r-4g6p, MINI-39qj-wmp6-3j5c, MINI-3pwc-54jw-963p, MINI-3x75-m9w7-jhw4 and 8 more.