Vulnerability · Published Feb 3, 2026 · Assigned by GitHub_M
CVE-2026-25509CI4MS Vulnerable to User Email Enumeration via Password Reset Flow
Medium 5.3
In plain English
A medium-severity security flaw in ci4ms from ci4-cms-erp. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | ci4-cms-erp/ci4ms | 0.28.5.0 | GHSA-654x-9q7r-g966 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ci4-cms-erp | ci4ms | < 0.28.5.0 |
Weakness: CWE-204 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N