CVE-2025-12571

Allocation of Resources Without Limits or Throttling in GitLab

State: Published
Severity: 7.5 High
Published: Nov 26, 2025
Updated: Dec 10, 2025
Reserved: Oct 31, 2025

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that could have allowed an unauthenticated user to cause a Denial of Service condition by sending specifically crafted requests containing malicious JSON payloads.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitLab

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
GitLabGitLab	17.10 to before 18.4.5Affected 18.5 to before 18.5.3Affected 18.6 to before 18.6.1Affected

References

GitLab Security Release Blog Postvendor-advisory
GitLab Issue #579168issue-trackingpermissions-required
HackerOne Bug Bounty Report #3362239technical-descriptionexploitpermissions-required

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