CVE-2025-13335 Loop with Unreachable Exit Condition ('Infinite Loop') in GitLab
An authenticated user can cause a denial of service in GitLab by creating malformed Wiki documents that bypass cycle detection.
- 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-2025-13335?
CVE-2025-13335 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 22 Jan 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 17.1 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that under certain circumstances could have allowed an authenticated user to create a denial of service condition by configuring malformed Wiki documents that bypass cycle detection.
Weakness: CWE-835
Which versions are affected by CVE-2025-13335?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 17.1.0 | 18.6.4, 18.7.2, 18.8.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2025-13335?
Upgrade gitlab to a fixed version for your release line: 18.6.4, 18.7.2 or 18.8.2.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-13335 being exploited?
There is no known exploitation of CVE-2025-13335 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-2025-13335, GHSA-r8f4-mx7h-29jp, MINI-3367-g6fm-ppww, MINI-33px-phhw-qcrv, MINI-42gc-3rcc-xv58, MINI-4gm3-r8wc-m9p5 and 25 more.