113 matches found
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-2026-33544
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...
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:...
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:...
CVE-2017-18924
oauth2-server aka node-oauth2-server through 3.1.1 implements OAuth 2.0 without PKCE. It does not prevent authorization code injection. This is similar to CVE-2020-7692. NOTE: the vendor states 'As RFC7636 is an extension, I think the claim in the Readme of "RFC 6749 compliant" is valid and not...
EUVD-2021-2044
Malware in sbrugna...
EUVD-2024-0389
Malicious code in bioql PyPI...
EUVD-2023-52300
Malicious code in bioql PyPI...
EUVD-2024-1035
Malicious code in bioql PyPI...
EUVD-2023-3295
Malicious code in bioql PyPI...
EUVD-2025-12788
Malicious code in bioql PyPI...
CVE-2024-22258
Spring Authorization Server versions 1.0.0 - 1.0.5, 1.1.0 - 1.1.5, 1.2.0 - 1.2.2 and older unsupported versions are susceptible to a PKCE Downgrade Attack for Confidential Clients. Specifically, an application is vulnerable when a Confidential Client uses PKCE for the Authorization Code Grant. An...
CVE-2024-23647
Authentik is an open-source Identity Provider. There is a bug in our implementation of PKCE that allows an attacker to circumvent the protection that PKCE offers. PKCE adds the codechallenge parameter to the authorization request and adds the codeverifier parameter to the token request. Prior to...
CVE-2023-50714
yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth2 PKCE implementation is vulnerable in 2 ways. First, the authCodeVerifier should be removed after usage similar to authStat...
PKCE Bypass
@cloudflare/workers-oauth-provider is vulnerable to PKCE bypass. The vulnerability is due to missing enforcement of PKCE verification caused by a flaw in the OAuth implementation that lets attackers skip the code challenge check, allowing an attacker to intercept and redeem authorization codes fo...
CVE-2025-4144
PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp . However, it was found that an attacker could cause the check to be skipped. Fixed in: https://github.com/cloudflare/workers-oauth-provider/pull/27...
@cloudflare/workers-oauth-provider PKCE bypass via downgrade attack
Summary PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework. However, it was found that an attacker could cause the check to be skipped. Impact PKCE is a defense-in-depth mechanism against certain kinds of attacks and was an optional extension ...