CVE-2025-65954

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the...

CVE-2025-65954

Summary: SimpleSAMLphp casserver versions below 6.3.1 and 7.0.0 are affected by an Open Redirect in the logout endpoint. The logout URL parameter (?url=…) is treated as trusted, causing a redirect to an attacker-controlled site or a logout page linking to that URL, depending on configuration. Aff...

CVE-2025-65954 SimpleSAMLphp-casserver has an Open Redirect vulnerability via logout

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the...

CVE-2025-65954 SimpleSAMLphp-casserver has an Open Redirect vulnerability via logout

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the...

EUVD-2025-209889

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the...

CVE-2025-65954

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the...

CVE-2025-65954 SimpleSAMLphp-casserver has an Open Redirect vulnerability via logout

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the...

SimpleSAMLphp-casserver 输入验证错误漏洞

SimpleSAMLphp-casserver is an open-source CAS protocol-compatible single-signpoint login server module developed by SimpleSAMLphp. Versions prior to 6.3.1 and 7.0.0 of SimpleSAMLphp-casserver contained a vulnerability related to input validation errors. This vulnerability occurred because the...

CVE-2025-65954: URL Redirection to Untrusted Site

SimpleSAMLphp-casserver is a CAS 1.0 and 2.0 compliant CAS server in the form of a SimpleSAMLphp module. In versions below 6.3.1 and 7.0.0, the logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the...

SimpleSAMLphp casserver: Open Redirect in logout

Summary The logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the browser there, or shows a "you've been logged out" page with a link to continue to that url. There are a number of other things broke...

GHSA-CVRM-5HP6-H523 SimpleSAMLphp casserver: Open Redirect in logout

Summary The logout endpoint accepts a url query parameter to redirect to. casserver treats that url as trusted, and either depending on configuration redirects the browser there, or shows a "you've been logged out" page with a link to continue to that url. There are a number of other things broke...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via the logout process. An attacker can redirect users to arbitrary external websites by supplying a crafted url parameter. This is only exploitable if the configuration option enablelogout is set to true, and is most...

PT-2026-41385

Name of the Vulnerable Software and Affected Versions SimpleSAMLphp-casserver versions prior to 6.3.1 SimpleSAMLphp-casserver versions prior to 7.0.0 Description The logout endpoint accepts a url query parameter for redirection. The server treats this URL as trusted and, depending on 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 (Rails admin framework) had a session-cookie handling flaw: before versions 4.20.0 and 5.6.0, admin session cookies were not invalidated at logout, allowing an attacker with a valid cookie to access admin functionality after logout until expiration or rotation. Affected versions incl...

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: 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...