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...

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...

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...

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 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: 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 open-webui is an Open WebUI Affected versions of this package are vulnerable to Insufficient Session Expiration via misconfiguration of the CORSMiddleware module and improper session management. An attacker can gain unauthorized access and execute arbitrary code by enticing an...

GHSA-FPW6-HRG5-Q5X5 ech0's acess tokens with expiry=never cannot be revoked: logout panics, delete does not blacklist JTI

Summary Access tokens created with the "never expire" option have no exp JWT claim. Three independent revocation mechanisms fail for this token type. Logout at internal/handler/auth/auth.go:154 and :163 dereferences claims.ExpiresAt.Time, panicking on the nil field so the token never hits the...

CVE-2026-41669

Admidio prior to version 5.0.9 suffers a SAML signature validation bypass: validateSignature() can return an error message or false, but its return value is discarded by both handleSSORequest() and handleSLORequest(), so unsigned or invalidly signed AuthnRequests/LogoutRequests are processed like...

CVE-2026-41669 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

CVE-2026-41669 Admidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequests Processed

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

GHSA-4CX3-3C38-J9VV katalyst-koi: Session cookies can be replayed after user logout

Impact 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 affects applications using Koi admin...

katalyst-koi: Session cookies can be replayed after user logout

Impact 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 affects applications using Koi admin...

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...

Session cookies can be replayed after user logout

Impact 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 affects applications using Koi admin...