CVE-2026-41202
Published:May 07, 2026
Updated:May 16, 2026
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.5.0, ci4ms Backup::restore extracts user uploaded ZIP archives without validating entry names, allowing an authenticated backend user with the backup create permission to write files to arbitrary filesystem locations (Zip Slip) and achieve remote code execution by dropping a PHP file under the public web root. This issue has been patched in version 0.31.5.0.
Affected Packages
https://github.com/ci4-cms-erp/ci4ms.git (GITHUB):
Affected version(s) >=0.21.0 <0.31.5.0Fix Suggestion:
Update to version 0.31.5.0ci4-cms-erp/ci4ms (PHP):
Affected version(s) >=dev-feature/shield-integration <0.31.5.0Fix Suggestion:
Update to version 0.31.5.0ci4-cms-erp/ci4ms (PHP):
Affected version(s) >=dev-feature/shield-integration <0.31.5.0Fix Suggestion:
Update to version 0.31.5.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
EPSS
Base Score:
0.47