CVE-2025-12571

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/
https://gitlab.com/gitlab-org/gitlab/-/issues/579168	Broken Link
https://hackerone.com/reports/3362239	Permissions Required

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:18.6.0::::community:::
	cpe:2.3:a:gitlab:gitlab:18.6.0::::enterprise:::

History

10 Dec 2025, 23:15

Type	Values Removed	Values Added
References		() https://about.gitlab.com/releases/2025/11/26/patch-release-gitlab-18-6-1-released/ -

02 Dec 2025, 20:33

Type	Values Removed	Values Added
CPE		cpe:2.3:a:gitlab:gitlab:::::enterprise:::* cpe:2.3:a:gitlab:gitlab:18.6.0::::community::: cpe:2.3:a:gitlab:gitlab:18.6.0::::enterprise::: cpe:2.3:a:gitlab:gitlab:::::community:::*
References	~~() https://gitlab.com/gitlab-org/gitlab/-/issues/579168 -~~	() https://gitlab.com/gitlab-org/gitlab/-/issues/579168 - Broken Link
References	~~() https://hackerone.com/reports/3362239 -~~	() https://hackerone.com/reports/3362239 - Permissions Required
First Time		Gitlab Gitlab gitlab

26 Nov 2025, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-11-26 20:15

Updated : 2025-12-10 23:15

NVD link : CVE-2025-12571

Mitre link : CVE-2025-12571

CVE.ORG link : CVE-2025-12571

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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