CVE-2026-47386: Concurrent Execution using Shared Resource with Improper Synchronization

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, two concurrent token-exchange requests using the same OAuth authorization code could each mint a distinct valid accesstoken, refreshtoken pair, breaking the single-use guarantee that PKCE relies on. This vulnerability ...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the CodeExchange and RefreshToken processes. An attacker can gain unauthorized access to user accounts or maintain persistent access from an unauthorized client by presenting intercepted authorization codes or...

CVE-2026-48991 XianYuLauncher: Legacy Microsoft account OAuth sign-in flow lacks PKCE and state validation

XianYuLauncher is a Minecraft Java Edition launcher. In versions prior to 1.5.5, sensitive authentication artifacts could be exposed during a user-initiated login under certain local attack conditions. Affected versions relied on a fixed localhost redirect URI without PKCE or state validation...

NPM: Better Auth: OAuth callback accepts mismatched `state` when cookie-backed state storage is used without PKCE

NPM: Better Auth: OAuth callback accepts mismatched state when cookie-backed state storage is used without PKCE vulnerability discovered by ? in WordPress Npm better-auth versions 1.6.2...

CVE-2026-41213: Improper Restriction of Excessive Authentication Attempts

@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-2026-40948

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

EUVD-2026-23676

The Keycloak authentication manager in apache-airflow-providers-keycloak did not generate or validate the OAuth 2.0 state parameter on the login / login-callback flow, and did not use PKCE. An attacker with a Keycloak account in the same realm could deliver a crafted callback URL to a victim's...

Apache Airflow 安全漏洞

Apache Airflow is an open-source platform developed by the Apache Foundation in the United States. It allows for the creation, management, and monitoring of workflows. This platform features scalability and dynamic monitoring capabilities. However, Apache Airflow has security vulnerabilities. The...

Improper Validation of Unsafe Equivalence in Input

Overview @node-oauth/oauth2-server is a Complete, framework-agnostic, compliant and well tested module for implementing an OAuth2 Server in node.js Affected versions of this package are vulnerable to Improper Validation of Unsafe Equivalence in Input in the token process. An attacker can obtain...

PT-2026-35315

Summary The token exchange path accepts RFC7636-invalid code verifier values including one-character strings for S256 PKCE flows. Because short/weak verifiers are accepted and failed verifier attempts do not consume the authorization code, an attacker who intercepts an authorization code can...

CVE-2026-3691 OpenClaw Client PKCE Verifier Information Disclosure Vulnerability

OpenClaw Client PKCE Verifier Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose stored credentials on affected installations of OpenClaw. User interaction is required to exploit this vulnerability in that the target must initiate an OAuth authorization...

Duplicate Advisory: OpenClaw: Gemini OAuth exposed the PKCE verifier through the OAuth state parameter

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9jpj-g8vv-j5mf. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it...

CVE-2026-34511

OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption...

CVE-2026-34511 OpenClaw < 2026.4.2 - PKCE Verifier Exposure via OAuth State Parameter

OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption...

CVE-2026-34511: Use of Insufficiently Random Values

OpenClaw before 2026.4.2 reuses the PKCE verifier as the OAuth state parameter in the Gemini OAuth flow, exposing it through the redirect URL. Attackers who capture the redirect URL can obtain both the authorization code and PKCE verifier, defeating PKCE protection and enabling token redemption...

CVE-2026-33544

Tinyauth is an authentication and authorization server. Prior to version 5.0.5, all three OAuth service implementations GenericOAuthService, GithubOAuthService, GoogleOAuthService store PKCE verifiers and access tokens as mutable struct fields on singleton instances shared across all concurrent...

CVE-2026-33544

Tinyauth is an authentication and authorization server. Prior to version 5.0.5, all three OAuth service implementations GenericOAuthService, GithubOAuthService, GoogleOAuthService store PKCE verifiers and access tokens as mutable struct fields on singleton instances shared across all concurrent...

PT-2026-29659

Name of the Vulnerable Software and Affected Versions Tinyauth versions prior to 5.0.5 Description Tinyauth is an authentication and authorization server. The GenericOAuthService, GithubOAuthService, and GoogleOAuthService implementations store PKCE verifiers and access tokens as mutable struct...

OpenClaw: macOS beta onboarding exposed PKCE verifier via OAuth state

Summary The affected surface is the OpenClaw macOS app onboarding flow, and the macOS app is currently in beta. In that beta onboarding flow, Anthropic OAuth used the PKCE codeverifier value as OAuth state, exposing that secret in front-channel URL state. Affected Packages / Versions - Package:...

GHSA-6G25-PC82-VFWP OpenClaw: macOS beta onboarding exposed PKCE verifier via OAuth state

Summary The affected surface is the OpenClaw macOS app onboarding flow, and the macOS app is currently in beta. In that beta onboarding flow, Anthropic OAuth used the PKCE codeverifier value as OAuth state, exposing that secret in front-channel URL state. Affected Packages / Versions - Package:...