CVE-2026-92288

A flaw was found in lemonldap-ng. The OAuth 2.0 Open Authorization token introspection endpoint fails to properly verify client credentials when handling requests for public relying parties. A remote attacker possessing an access token and a public client identifier can exploit this vulnerability...

CVE-2026-92288

Lemonldap::NG::Portal versions from 2.20.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow unauthenticated OAuth2 token introspection because checkEndPointAuthenticationCredentials does not verify the client secret of a public Relying Party. checkEndPointAuthenticationCredentials skips th...

DEBIAN-CVE-2026-92288

Lemonldap::NG::Portal versions from 2.20.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow unauthenticated OAuth2 token introspection because checkEndPointAuthenticationCredentials does not verify the client secret of a public Relying Party. checkEndPointAuthenticationCredentials skips th...

CVE-2026-92288

Lemonldap::NG::Portal versions from 2.20.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow unauthenticated OAuth2 token introspection because checkEndPointAuthenticationCredentials does not verify the client secret of a public Relying Party. checkEndPointAuthenticationCredentials skips th...

CVE-2026-92288

The Lemonldap::NG::Portal component for Perl is vulnerable in versions 2.20.0 before 2.21.6 and 2.22.0 before 2.23.4 . The root cause is that the checkEndPointAuthenticationCredentials function fails to verify the client secret for Relying Parties marked as public , while still allowing the reque...

CVE-2026-92288 Lemonldap::NG::Portal versions from 2.20.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow unauthenticated OAuth2 token introspection because checkEndPointAuthenticationCredentials does not verify the client secret of a public Relying Party

Lemonldap::NG::Portal versions from 2.20.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow unauthenticated OAuth2 token introspection because checkEndPointAuthenticationCredentials does not verify the client secret of a public Relying Party. checkEndPointAuthenticationCredentials skips th...

EUVD-2026-86487

Lemonldap::NG::Portal versions from 2.20.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow unauthenticated OAuth2 token introspection because checkEndPointAuthenticationCredentials does not verify the client secret of a public Relying Party. checkEndPointAuthenticationCredentials skips th...

Linux Distros Unpatched Vulnerability : CVE-2026-92288

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Lemonldap::NG::Portal versions from 2.20.0 before 2.21.6, from 2.22.0 before 2.23.4 for Perl allow unauthenticated OAuth2 token introspection because...

Improper Authorization

Apache CXF is vulnerable to Improper Authorization. The vulnerability is due to revoked access and refresh tokens remaining valid and being reported as active by the token introspection service, which allows an attacker to continue using revoked tokens to access protected resources...

CVE-2026-19625 IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities

When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as "/oidc-provider1" that is secured by the OIDC Provider 1 and "/oidc-provider2" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid tok...

EUVD-2026-74190

When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as "/oidc-provider1" that is secured by the OIDC Provider 1 and "/oidc-provider2" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid tok...

PT-2026-88333

When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as "/oidc-provider1" that is secured by the OIDC Provider 1 and "/oidc-provider2" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid tok...

CVE-2026-19625: Improper Access Control

When a Quarkus application has multiple endpoints secured by individual OIDC provider tenants, such as "/oidc-provider1" that is secured by the OIDC Provider 1 and "/oidc-provider2" that is secured by the OIDC Provider 2, and an optional token introspection cache is also enabled, then a valid tok...

CVE-2026-19625

A flaw was found in Quarkus OIDC. A shared token-introspection cache can be exploited by a remote attacker to bypass authentication across different tenants. This allows unauthorized access to resources or data, leading to a cross-tenant authentication bypass...

BIT-KEYCLOAK-2026-37979 Keycloak: keycloak: information disclosure via oidc token introspection endpoint audience bypass

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...

Authentication Bypass

org.apache.cxf, cxf-rt-rs-security-oauth2 is vulnerable to an Authentication Bypass. The vulnerability is due to a missing throw statement in the security context check, which allows an unauthenticated network attacker to access the /services/oauth2/introspect endpoint and perform token...

CVE-2026-58425

OAuth token introspection returns metadata of tokens issued to other clients RFC 7662 section 4 violation...

CVE-2026-58425 OAuth token introspection returns metadata of tokens issued to other clients (RFC 7662 section 4 violation)

OAuth token introspection returns metadata of tokens issued to other clients RFC 7662 section 4 violation...

EUVD-2026-58154

OAuth token introspection returns metadata of tokens issued to other clients RFC 7662 section 4 violation...

CVE-2026-58425

The Gitea application is vulnerable to an information disclosure flaw where OAuth token introspection returns metadata for tokens issued to other clients, violating RFC 7662 section 4 . This issue was addressed in Gitea v1.27.0 . Exploitation details are not provided in the documentation, but the...