CVE Catalog

CVE-2026-44511

High
Published: Translated: NVD NIST

Summary

Katalyst Koi, a framework for building Rails admin functionality, had an issue where admin session cookies were not invalidated upon logout. An attacker with access to a valid admin session cookie could continue to access admin functionality after logout until the cookie expired or session secrets were rotated.

Risk Assessment

The organization may be exposed to unauthorized access to admin functionality by attackers who possess a valid session cookie. This could lead to serious security breaches and data loss.

Recommendation

It is recommended to upgrade to version 4.20.0 or 5.6.0 to fix this vulnerability. Additionally, consider rotating session secrets and monitoring admin session activity.

Related vulnerabilities

Original NVD description (English source)

Katalyst Koi is a framework for building Rails admin functionality. Prior to 4.20.0 and 5.6.0, admin session cookies were not invalidated when an admin user logged out. An attacker with access to a valid admin session cookie could continue to access admin functionality after logout, until the cookie expired or session secrets were rotated. This vulnerability is fixed in 4.20.0 and 5.6.0.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS