GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.
History

Thu, 11 Dec 2025 04:30:00 +0000

Type Values Removed Values Added
Description GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.
Title Improper Encoding or Escaping of Output in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-116
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2025-12-11T04:05:07.234Z

Updated: 2025-12-11T15:48:09.241Z

Reserved: 2025-07-31T04:33:09.501Z

Link: CVE-2025-8405

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-12-11T05:16:38.447

Modified: 2025-12-11T05:16:38.447

Link: CVE-2025-8405

cve-icon Redhat

No data.