CVE-2025-13927 Allocation of Resources Without Limits or Throttling in GitLab
Unauthenticated attackers can cause denial of service in GitLab by sending crafted requests with malformed authentication data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-13927?
CVE-2025-13927 is a high-severity denial of service vulnerability in Gitlab Gitlab, published on 22 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.9 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted requests with malformed authentication data.
Weakness: CWE-770
Which versions are affected by CVE-2025-13927?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 11.9.0 | 18.6.4, 18.7.2, 18.8.2 |
Products include Gitlab Gitlab.
How do I fix CVE-2025-13927?
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-2025-13927 being exploited?
There is no known exploitation of CVE-2025-13927 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-2025-13927, GHSA-4v3f-ffrw-xcx6, MINI-2cjp-jw7m-25wc, MINI-2hgg-77pr-2hfr, MINI-2x7w-76mj-mp5j, MINI-4788-qpff-9vq7 and 24 more.