CVE-2025-12669 Details
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.
A vulnerability allowing authenticated users to inject HTML and JavaScript into email notifications was identified in GitLab CE/EE. This issue affects all versions from 15.11 prior to 18.9.7, 18.10 prior to 18.10.6, and 18.11 prior to 18.11.3. The vulnerability arose from inadequate input sanitization, which could have led to the execution of malicious scripts in the context of the email recipient.
Users can upgrade to GitLab versions 18.9.7, 18.10.6, or 18.11.3 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ | [email protected] | Release Notes |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/579385 | [email protected] | Not Applicable |
| https://hackerone.com/reports/3368096 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gitlab gitlab | >= 15.11.0, < 18.9.7 >= 18.10.0, < 18.10.6 >= 18.11.0, < 18.11.3 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 16, 2026 | Initial Analysis | [email protected] |
| May 14, 2026 | New CVE Received | [email protected] |