CVE-2026-25509: CI4-CMS-ERP CI4MS

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.28.5.0, the authentication implementation in CI4MS is vulnerable to email enumeration. An unauthenticated attacker can determine whether an email address is registered in the system by analyzing the application's response during the password reset process. This issue has been patched in version 0.28.5.0.

Affected products

• CI4-CMS-ERP CI4MS: before 0.28.5.0 (fixed in 0.28.5.0)

Published 2026-02-03. Last modified 2026-06-17.