CVE-2025-12669: Improper Control of Generation of Code ('Code Injection') in GitLab

Published May 14, 2026
·
Updated

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.

Affected Software

8 affected components
GitLab GitLab CE>=15.11<18.9.7, >=18.10<18.10.6, >=18.11<18.11.3
GitLab GitLab EE>=15.11<18.9.7, >=18.10<18.10.6, >=18.11<18.11.3
GitLab GitLab>=15.11.0<18.9.7
GitLab GitLab>=15.11.0<18.9.7
GitLab GitLab>=18.10.0<18.10.6
GitLab GitLab>=18.10.0<18.10.6
GitLab GitLab>=18.11.0<18.11.3
GitLab GitLab>=18.11.0<18.11.3

Remediation

Information

Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above.

Event History

May 14, 2026
CVE Published
via MITRE·05:38 AM
Data Sourced
via MITRE·05:38 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·06:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-12669?

CVE-2025-12669 is classified as a medium severity vulnerability due to its potential for code injection.

2

How do I fix CVE-2025-12669?

To fix CVE-2025-12669, upgrade your GitLab CE/EE to version 18.9.7, 18.10.6, or 18.11.3 or later.

3

What kind of vulnerability is CVE-2025-12669?

CVE-2025-12669 is an improper control of code generation vulnerability that allows for code injection.

4

Who is affected by CVE-2025-12669?

CVE-2025-12669 affects all versions of GitLab CE/EE from 15.11 to versions before 18.9.7, 18.10.6, and 18.11.3.

5

Can CVE-2025-12669 affect email communication in GitLab?

Yes, CVE-2025-12669 could allow authenticated users to inject HTML and JavaScript into email notifications, impacting email communication.

Company

Resources

Contact

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