GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 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 leak sensitive information from specifically crafted merge request titles.
History

Thu, 11 Dec 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 11 Dec 2025 07:45:00 +0000

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.6 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 leak sensitive information from specifically crafted merge request titles.
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': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2025-12-11T07:32:01.735Z

Updated: 2025-12-11T14:42:33.688Z

Reserved: 2025-11-04T22:33:43.047Z

Link: CVE-2025-12734

cve-icon Vulnrichment

Updated: 2025-12-11T14:42:31.022Z

cve-icon NVD

Status : Received

Published: 2025-12-11T08:15:51.110

Modified: 2025-12-11T08:15:51.110

Link: CVE-2025-12734

cve-icon Redhat

No data.