CVE-2026-41891 PUBLISHED

CI4MS: Deactivated User Session Bypass (active=0)

Assigner: GitHub_M
Reserved: 22.04.2026 Published: 07.05.2026 Updated: 07.05.2026

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. From version 0.26.0 to before version 0.31.8.0, the auth filter has the deactivated/banned user check commented out. This issue has been patched in version 0.31.8.0.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	ci4-cms-erp
Product	ci4ms
Versions	Version >= 0.26.0, < 0.31.8.0 is affected

References

Problem Types

CWE-613: Insufficient Session Expiration CWE