Description
An issue has been discovered in GitLab CE/EE affecting all versions from 15.0 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed an authenticated user to stall background job processing by sending specially crafted commit messages, merge request descriptions, or notes.
References (3)
Core 3
Core References
Release Notes, Vendor Advisory
https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/
Broken Link issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/519335
Permissions Required technical-description
exploit
permissions-required
https://hackerone.com/reports/2903896
Scores
CVSS v3
6.5
EPSS
0.0005
EPSS Percentile
16.8%
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 (1)
gitlab/gitlab
15.0.0 - 18.1.6 (2 CPE variants)
Published
Sep 12, 2025
Tracked Since
Feb 18, 2026