CVE-2025-4225

MEDIUM

GitLab 14.1-18.1.4, 18.2-18.2.4, 18.3-18.3.0 - Unauthenticated Denial of Service via GraphQL Requests

Title source: llm
STIX 2.1

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 14.1 before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that that under certain conditions could have allowed an unauthenticated attacker to cause a denial-of-service condition affecting all users by sending specially crafted GraphQL requests.

References (2)

Core 2
Core References
Broken Link issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/538983
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/3100624

Scores

CVSS v3 5.3
EPSS 0.0015
EPSS Percentile 35.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (2)
gitlab/gitlab 18.3.0 (2 CPE variants)
gitlab/gitlab 14.1.0 - 18.1.5 (2 CPE variants)
Published Aug 27, 2025
Tracked Since Feb 18, 2026