CVE-2025-12669CWE-94code-injection

CVE-2025-12669

Medium · published May 14, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
6.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00176 · 6.8th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-05-14T10:16Z
Affected products (6)
ProductVersionsFixed in
gitlab/gitlab≥ 15.11.0, < 18.9.718.9.7
gitlab/gitlab≥ 15.11.0, < 18.9.718.9.7
gitlab/gitlab≥ 18.10.0, < 18.10.618.10.6
gitlab/gitlab≥ 18.10.0, < 18.10.618.10.6
gitlab/gitlab≥ 18.11.0, < 18.11.318.11.3
gitlab/gitlab≥ 18.11.0, < 18.11.318.11.3
References (3)
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/579385 · [email protected]https://hackerone.com/reports/3368096 · [email protected]
EPSS history
Timeline
  • 14 MAY 05:38Z
    Improper Control of Generation of Code ('Code Injection') in GitLab
    cvelistv5