What is CVE-2026-34570?

CVE-2026-34570 is a high-severity vulnerability in Ci4-cms-erp Ci4ms, classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-04-01.

How severe is CVE-2026-34570?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Ci4-cms-erp Ci4ms

CVE-2026-34570

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to immediately revoke active user sessions when…

EPSS: 0.000 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ci4-cms-erp Ci4ms — versions < 0.31.0.0

Weakness classification (CWE)

References

https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-4vxv-4xq4-p84h (x_refsource_CONFIRM)
https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34570?: CVE-2026-34570 is a high-severity vulnerability in Ci4-cms-erp Ci4ms, classified under Improper Access Control. CVSS score: 8.8/10. Published 2026-04-01.
How severe is CVE-2026-34570?: High severity. CVSS v3 base score is 8.8 out of 10.