CVE-2026-44511

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...

CVE-2026-44511

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...

EUVD-2026-30329

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...

CVE-2026-44511

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...

CVE-2026-44511 Katalyst Koi: Session cookies can be replayed after user logout

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...

CVE-2026-44511 Katalyst Koi: Session cookies can be replayed after user logout

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...

Katalyst Koi 代码问题漏洞

Katalyst Koi is an open-source framework developed by Katalyst Interactive for building and managing backend features. Versions of Katalyst Koi prior to 4.20.0 and 5.6.0 contained code vulnerabilities. These vulnerabilities stemmed from the fact that the administrator session cookie did not expir...

Insufficient Session Expiration

Overview Affected versions of this package are vulnerable to Insufficient Session Expiration in the admin session cookie handling process. An attacker can maintain unauthorized access to administrative functionality by reusing a valid session cookie after a user logs out, until the cookie expires...

PT-2026-38363

Name of the Vulnerable Software and Affected Versions Katalyst Koi versions prior to 5.6.0 Katalyst Koi versions prior to 4.20.0 Description Admin session cookies are not invalidated upon logout. This allows an attacker who has obtained a valid admin session cookie—through exposure, caching, or...