CVE-2025-1257 Allocation of Resources Without Limits or Throttling in GitLab

Medium 6.5 Published 13 Mar 2025 Updated 14 Mar 2025

An attacker can cause a denial of service in GitLab EE by manipulating specific API inputs, requiring an upgrade to patched versions.

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-2025-1257?

CVE-2025-1257 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 13 Mar 2025. 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

An issue was discovered in GitLab EE affecting all versions starting with 12.3 before 17.7.7, 17.8 prior to 17.8.5, and 17.9 prior to 17.9.2. A vulnerability in certain GitLab instances could allow an attacker to cause a denial of service condition by manipulating specific API inputs.

Weakness: CWE-770

Which versions are affected by CVE-2025-1257?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Package	Affected	Fixed in
`gitlab` Bitnami	From `12.3.0`	`17.9.2`

Products include Gitlab Gitlab.

How do I fix CVE-2025-1257?

Upgrade gitlab to 17.9.2 or later.

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-2025-1257 being exploited?

There is no known exploitation of CVE-2025-1257 in the wild and no public exploit code.

All Gitlab Gitlab vulnerabilities

Sources

Also known as BIT-gitlab-2025-1257, GHSA-5mjv-86c4-mprj.