CVE-2024-8995: Insufficient Session Expiration

Unused authorization codes issued to deleted users are not being properly invalidated or removed from the system. This allows for the persistence of these codes, enabling them to be potentially reused. If an attacker possesses both the authorization code and the associated client credentials clie...

CVE-2026-67336 better-auth before 1.6.11 Insecure Cryptographic Defaults via oidcProvider

better-auth versions before 1.6.11 contain insecure cryptographic defaults in the oidcProvider and mcp plugins that advertise the none algorithm and accept plain PKCE by default. Attackers can exploit algorithm negotiation to accept unsigned tokens or intercept authorization codes when PKCE plain...

CVE-2026-67336

CVE-2026-67336 affects better-auth versions before 1.6.11, specifically the oidcProvider and mcp plugins. The root cause is insecure cryptographic defaults that advertise the none algorithm and allow plain PKCE by default. This can enable an attacker to exploit algorithm negotiation to accept uns...

CVE-2026-67345

MaxKey through 4.1.12, fixed in commit ddbb72f, contains an insufficient redirect URI validation vulnerability in DefaultRedirectResolver.hostMatches that allows remote attackers to hijack OAuth 2.0 authorization codes by supplying a crafted redirecturi whose hostname suffix matches a registered...

CVE-2026-16089

A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their o...

CVE-2026-16089

The CVE-2026-16089 entry describes a vulnerability in Red Hat Build of Keycloak’s keycloak-services, where OAuth 2.0 authorization codes are not properly bound to the client that requested them. If an attacker can intercept an authorization code, they can modify it to be redeemed by their own cli...

CVE-2026-16089 Keycloak-services: keycloak-services: authorization codes can be retargeted to another client session

A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their o...

CVE-2026-16089 Keycloak-services: keycloak-services: authorization codes can be retargeted to another client session

A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their o...

EUVD-2026-45176

A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their o...

CVE-2026-16089

A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their o...

PT-2026-60770

Name of the Vulnerable Software and Affected Versions Red Hat Build of Keycloak affected versions not specified Description A flaw in the keycloak-services component occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. This allows an...

CVE-2026-59713 Leantime - OIDC Login CSRF via Unconditional State Verification Stub

Leantime contains an OIDC login CSRF vulnerability in the verifyState method that unconditionally returns true without validating state parameters. Attackers can craft malicious callback URLs with attacker-controlled authorization codes to perform session fixation, logging victims in as the...

CVE-2026-59713 Leantime - OIDC Login CSRF via Unconditional State Verification Stub

Leantime contains an OIDC login CSRF vulnerability in the verifyState method that unconditionally returns true without validating state parameters. Attackers can craft malicious callback URLs with attacker-controlled authorization codes to perform session fixation, logging victims in as the...

Replay Attack

Overview Affected versions of this package are vulnerable to Replay Attack due to improper enforcement of OAuth2 authorization code expiry and single-use requirements in the authorization code process. An attacker can gain unauthorized access by reusing valid authorization codes during the token...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via the reloadNuxtApp function. An attacker can redirect users to attacker-controlled hosts by injecting protocol-relative paths such as //evil.com, potentially enabling phishing attacks or theft of OAuth authorization...

Concrete CMS 安全漏洞

Concrete CMS is an open-source content management system designed for teams. Concrete CMS versions 9.5.0 and earlier have security vulnerabilities. These vulnerabilities stem from an oversight in the handling of OAuth 2.0 authorization codes, which bypasses account status checks. This could...

CVE-2026-6334 OAuth authorization code client binding not enforced during token redemption in Mattermost

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13 fail to enforce client identity binding during the OAuth authorization code redemption flow which allows an authenticated OAuth client to redeem authorization codes issued to a different client via a crafted token exchange request.. Mattermo...

CVE-2026-41213 @node-oauth/oauth2-server: PKCE code_verifier ABNF not enforced in token exchange allows brute-force redemption of intercepted authorization codes

@node-oauth/oauth2-server is a module for implementing an OAuth2 server in Node.js. The token exchange path accepts RFC7636-invalid codeverifier values including one-character strings for S256 PKCE flows. Because short/weak verifiers are accepted and failed verifier attempts do not consume the...

CVE-2026-41213

The CVE concerns @node-oauth/oauth2-server, a Node.js OAuth2 server module. The token exchange path accepts RFC7636-invalid code_verifier values for S256 PKCE flows (including one-character verifiers). The underlying cause is that ABNF enforcement for code_verifier is not performed during token e...

CVE-2026-41213 @node-oauth/oauth2-server: PKCE code_verifier ABNF not enforced in token exchange allows brute-force redemption of intercepted authorization codes

@node-oauth/oauth2-server is a module for implementing an OAuth2 server in Node.js. The token exchange path accepts RFC7636-invalid codeverifier values including one-character strings for S256 PKCE flows. Because short/weak verifiers are accepted and failed verifier attempts do not consume the...