PT-2026-102981

Name of the Vulnerable Software and Affected Versions oauthlib affected versions not specified Description A timing side-channel exists in the PKCE implementation of the Authorization Code Grant flow. The functions code challenge method plain and code challenge method s256 in the file...

EUVD-2026-88033

Obot before v0.23.0 affected versions = v0.22.1 running with OBOTSERVERENABLEAUTHENTICATION=true exposes OAuth dynamic client registration without authentication and without any restriction on the redirect URIs a client may register. Because the authorization flow auto-completes for an already...

CVE-2026-92289

A flaw was found in lemonldap-ng. When configured to accept either client secrets or Proof Key for Code Exchange PKCE, a security mechanism designed to protect authorization codes, the portal fails to validate client credentials properly for public clients. A remote attacker who intercepts an...

CVE-2026-92289

Lemonldap::NG::Portal versions from 2.23.0 before 2.23.4 for Perl allow a PKCE bypass for public Relying Parties in "PKCE or secret" mode because checkEndPointAuthenticationCredentials does not verify the client secret. With oidcRPMetaDataOptionsRequirePKCE set to 2, the authorization endpoint...

CVE-2026-92289 Lemonldap::NG::Portal versions from 2.23.0 before 2.23.4 for Perl allow a PKCE bypass for public Relying Parties in "PKCE or secret" mode because checkEndPointAuthenticationCredentials does not verify the client secret

Lemonldap::NG::Portal versions from 2.23.0 before 2.23.4 for Perl allow a PKCE bypass for public Relying Parties in "PKCE or secret" mode because checkEndPointAuthenticationCredentials does not verify the client secret. With oidcRPMetaDataOptionsRequirePKCE set to 2, the authorization endpoint...

CVE-2026-92289

Lemonldap::NG::Portal versions from 2.23.0 before 2.23.4 for Perl are vulnerable to a PKCE bypass in "PKCE or secret" mode. The root cause is that the checkEndPointAuthenticationCredentials function fails to verify the client secret for public Relying Parties. When oidcRPMetaDataOptionsRequirePKC...

PT-2026-98320

Name of the Vulnerable Software and Affected Versions Lemonldap::NG::Portal versions 2.23.0 through 2.23.3 Description An issue exists where public Relying Parties in PKCE or secret mode can bypass Proof Key for Code Exchange PKCE, a security extension for OAuth 2.0 that prevents authorization co...

CVE-2026-92289: Weak Authentication

Lemonldap::NG::Portal versions from 2.23.0 before 2.23.4 for Perl allow a PKCE bypass for public Relying Parties in "PKCE or secret" mode because checkEndPointAuthenticationCredentials does not verify the client secret. With oidcRPMetaDataOptionsRequirePKCE set to 2, the authorization endpoint...

org.apache.cxf/cxf: Apache CXF: Authorization code replay due to flaw in DefaultEncryptingCodeDataProvider

A flaw was found in Apache CXF's DefaultEncryptingCodeDataProvider. This vulnerability allows a remote attacker to redeem a captured authorization code an unlimited number of times. The flaw exists due to an issue in the removeCodeGrant functionality, which fails to properly invalidate used...

org.apache.cxf/cxf: Apache CXF: Authorization Code Substitution via missing c_hash validation

A flaw was found in Apache CXF. When operating in the OpenID Connect Hybrid Flow, Apache CXF does not enforce the validation of the chash parameter. This vulnerability allows a remote attacker, through a non-compliant or misconfigured Identity Provider IdP, to perform Authorization Code...

org.apache.cxf/cxf: Apache CXF: Authorization Code Replay via Race Condition

A flaw was found in Apache CXF. A race condition in the JCacheCodeDataProvider allows a remote attacker to redeem a single authorization code multiple times through concurrent requests. This can result in the issuance of multiple distinct, valid access tokens, potentially leading to unauthorized...

Linux Distros Unpatched Vulnerability : CVE-2026-92289

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 2.23.0 before 2.23.4 for Perl allow a PKCE bypass for public Relying Parties in PKCE or secret mode because...

CVE-2026-96446

A flaw was found in the Pushed Authorization Request PAR implementation of Keycloak. The issue occurs when the silent authentication path prompt=none is used, which allows the authorization process to skip certain steps if a user is already logged in. Due to this bypass, the security rule that...

CVE-2026-96446

A flaw was found in the Pushed Authorization Request PAR implementation of Keycloak. The issue occurs when the silent authentication path prompt=none is used, which allows the authorization process to skip certain steps if a user is already logged in. Due to this bypass, the security rule that...

EUVD-2026-85221

A flaw was found in the Pushed Authorization Request PAR implementation of Keycloak. The issue occurs when the silent authentication path prompt=none is used, which allows the authorization process to skip certain steps if a user is already logged in. Due to this bypass, the security rule that...

CVE-2026-96446

A flaw exists in the Keycloak Pushed Authorization Request (PAR) implementation where the silent authentication path (prompt=none ) allows the authorization process to skip specific steps for already logged-in users. This bypass prevents the enforcement of the security rule requiring a pushed req...

CVE-2026-96446 Keycloak-services: keycloak-services: par single-use bypass via prompt=none silent authentication path

A flaw was found in the Pushed Authorization Request PAR implementation of Keycloak. The issue occurs when the silent authentication path prompt=none is used, which allows the authorization process to skip certain steps if a user is already logged in. Due to this bypass, the security rule that...

CVE-2026-4282-Scanner

CVE-2026-4282-Scanner Un escáner de vulnerabilidades no intrusivo, basado en versiones, para CVE-2026-4282 , que afecta a Keycloak y a Red Hat Build of Keycloak RHBK. ⚠️ Descargo de responsabilidad: Esta herramienta está pensada estrictamente para investigación de seguridad autorizada, pruebas de...

CVE-2026-54618

Obsidian Web MCP is a secure remote MCP server for Obsidian vaults. Prior to 0.2.0, /oauth/authorize issues an authorization code without a login, consent, or session check, and /oauth/token can exchange that code for the static VAULTMCPTOKEN without authenticating a client. An unauthenticated...

CVE-2026-48717 OpenAM OAuth Authorization Bypass via PKCE Challenge

Open Access Management OpenAM is an access management solution. Prior to 16.1.1, AuthorizationCodeGrantTypeHandler requires a codeverifier only when the realm-wide codeVerifierEnforced setting is enabled, even when an authorization code stores a codechallenge. Because that setting is disabled by...