CVE-2025-14870

HighCVSS 7.5/10Last modified Oct 14, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.5 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by sending specially crafted JSON payloads due to insufficient input validation.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
GitLab	GitLab	>= 18.5, < 18.9.7; >= 18.10, < 18.10.6; >= 18.11, < 18.11.3

References

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/584490Not Applicable
https://hackerone.com/reports/3446641Permissions Required

Timeline

Published: May 14, 2026
Last modified: Oct 14, 2026
NVD status: Analyzed

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