CVE-2025-3601

MEDIUM

GitLab 8.15-18.1.4, 18.2-18.2.4, 18.3-18.3.0 - Authenticated Denial of Service via Large URL Response

Title source: llm
STIX 2.1

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 8.15 before 18.1.5, 18.2 before 18.2.5, and 18.3 before 18.3.1 that could have could have allowed an authenticated user to cause a Denial of Service (DoS) condition by submitting URLs that generate excessively large responses.

References (2)

Core 2
Core References
Broken Link issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/536034
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/3050155

Scores

CVSS v3 6.5
EPSS 0.0008
EPSS Percentile 24.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (2)
gitlab/gitlab 18.3.0 (2 CPE variants)
gitlab/gitlab 8.15.0 - 18.1.5 (2 CPE variants)
Published Aug 27, 2025
Tracked Since Feb 18, 2026