Ghostwire

CVE-2025-12669: GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6,...

MEDIUM CVSS 5.4 Exploit Available

Published: May 14, 2026 | Last Modified: May 14, 2026

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to inject HTML and JavaScript into email notifications sent to other users due to improper input sanitization.

Ghostwire Analysis — What This Means Practically

Medium CVSS score indicates moderate risk — exploitation requires specific conditions or results in limited impact.
Exploit code is reported to be available, increasing the likelihood of active exploitation.

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

References

about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
gitlab.com/gitlab-org/gitlab/-/work_items/579385
hackerone.com/reports/3368096
www.tenable.com/cve/CVE-2025-12669
www.cnnvd.org.cn/home/globalSearch?keyword=CVE-2025-12669