CVE-2025-11447

high

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.0 before 18.3.5, 18.4 before 18.4.3, and 18.5 before 18.5.1 that could have allowed an unauthenticated attacker to cause a denial of service condition by sending GraphQL requests with crafted JSON payloads.

References

https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/

https://hackerone.com/reports/3367019

https://gitlab.com/gitlab-org/gitlab/-/issues/574858

Details

Source: Mitre, NVD

Published: 2025-10-27

Updated: 2025-10-27

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00031