CVE-2025-12562

Published: Dec 11, 2025Modified: Oct 14, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: cve@gitlab.com (Secondary)

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted GraphQL queries that bypass query complexity limits.

Affected (6)

Products: Gitlab: Gitlab

Gitlab

1 product

Gitlab

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Gitlab Gitlab	11.10.0 ≤ version < 18.4.6
Gitlab Gitlab	18.5.0 ≤ version < 18.5.4
Gitlab Gitlab	18.6.0 ≤ version < 18.6.2
Gitlab Gitlab	11.10.0 ≤ version < 18.4.6
Gitlab Gitlab	18.5.0 ≤ version < 18.5.4
Gitlab Gitlab	18.6.0 ≤ version < 18.6.2

Related CWEs

CWE-770

Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (3)

https://about.gitlab.com/releases/2025/12/10/patch-release-gitlab-18-6-2-released/

Source: cve@gitlab.com

Release NotesVendor Advisory

https://gitlab.com/gitlab-org/gitlab/-/issues/579152

Source: cve@gitlab.com

Broken Link

https://hackerone.com/reports/3360710

Source: cve@gitlab.com

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Timeline

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