Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by injecting malicious content into vulnerability code flow.
References (3)
Core 3
Core References
Release Notes, Vendor Advisory
https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/
Broken Link, Issue Tracking issue-tracking
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/583861
Permissions Required technical-description
exploit
permissions-required
https://hackerone.com/reports/3461083
Scores
CVSS v3
7.3
EPSS
0.0009
EPSS Percentile
25.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (1)
gitlab/gitlab
17.1.0 - 18.6.6 (2 CPE variants)
Published
Feb 11, 2026
Tracked Since
Feb 18, 2026