CVE-2026-25510: CI4MS Vulnerable to Remote Code Execution (RCE) via Arbitrary File Creation and Save in File Editor

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-03 · updated 2026-06-17
Weakness: CWE-94

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, an authenticated user with file editor permissions can achieve Remote Code Execution (RCE) by leveraging the file creation and save endpoints, an attacker can upload and execute arbitrary PHP code on the server. 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

How to fix

Upgrade to a fixed version: ci4-cms-erp ci4ms 0.28.5.0. Check the vendor advisory for mitigations.

References

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