CVE-2025-4144: Improper Authentication

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...

PT-2025-18344 · Unknown · Workers-Oauth-Provider

Name of the Vulnerable Software and Affected Versions: workers-oauth-provider affected versions not specified Description: The OAuth implementation in workers-oauth-provider did not correctly validate that the redirect uri was on the allowed list of redirect URIs for the given client registration...

PT-2025-18345 · Unknown · Workers-Oauth-Provider

Name of the Vulnerable Software and Affected Versions: workers-oauth-provider affected versions not specified Description: The issue is related to the OAuth implementation in workers-oauth-provider, part of the MCP framework. An attacker could cause the PKCE check to be skipped, completely...

"Cannot Complete your request" during enumeration for DUO OAuth in 2 factor setup

Getting " Cannot complete your request" after duo push is successfully sent. In the url tab, we could see the client connection being pointed to storefront successfully...

Russian Hackers Exploit Microsoft OAuth to Target Ukraine Allies via Signal and WhatsApp

Multiple suspected Russia-linked threat actors are "aggressively" targeting individuals and organizations with ties to Ukraine and human rights with an aim to gain unauthorized access to Microsoft 365 accounts since early March 2025. The highly targeted social engineering operations, per Volexity...

CVE-2025-43916: Use of Non-Canonical URL Paths for Authorization Decisions

Sonos api.sonos.com through 2025-04-21, when the /login/v3/oauth endpoint is used, accepts a redirecturi containing userinfo in the authority component, which is not consistent with RFC 6819 section 5.2.3.5. An authorization code may be sent to an attacker-controlled destination. This might have...

Lichess: Open Redirect Vulnerability in OAuth Flow Leading to Potential Phishing Attack

Summary: An open redirect vulnerability exists in the OAuth flow on lichess4545.com. By manipulating the redirecturi parameter during the OAuth authorization process with Lichess, an attacker can redirect users to an arbitrary external domain e.g., example.com after login. This could be exploited...

[SECURITY] Fedora 41 Update: mod_auth_openidc-2.4.16.11-1.fc41

This module enables an Apache 2.x web server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server...

[SECURITY] Fedora 40 Update: mod_auth_openidc-2.4.16.11-1.fc40

This module enables an Apache 2.x web server to operate as an OpenID Connect Relying Party and/or OAuth 2.0 Resource Server...

CVE-2025-32068

Incorrect Authorization vulnerability in The Wikimedia Foundation Mediawiki - OAuth Extension allows Authentication Bypass.This issue affects Mediawiki - OAuth Extension: from 1.39 through 1.43...

CVE-2025-32068

Incorrect Authorization vulnerability in The Wikimedia Foundation Mediawiki - OAuth Extension allows Authentication Bypass.This issue affects Mediawiki - OAuth Extension: from 1.39 through 1.43...

CVE-2025-32068

Incorrect Authorization vulnerability in The Wikimedia Foundation Mediawiki - OAuth Extension allows Authentication Bypass.This issue affects Mediawiki - OAuth Extension: from 1.39 through 1.43...

CVE-2025-32068: Incorrect Authorization

Incorrect Authorization vulnerability in The Wikimedia Foundation Mediawiki - OAuth Extension allows Authentication Bypass.This issue affects Mediawiki - OAuth Extension: from 1.39 through 1.43...

PT-2025-16132 · Mediawiki · Mediawiki Extension:Oauth

Name of the Vulnerable Software and Affected Versions: Mediawiki - OAuth Extension versions 1.39 through 1.43 Description: The issue is related to an Incorrect Authorization vulnerability that allows Authentication Bypass in the Mediawiki - OAuth Extension. This flaw highlights the importance of...

IBM Security Verify Access 10.0.0 - Open Redirect during OAuth Flow

Exploit Title : IBM Security Verify Access 10.0.0 - Open Redirect during OAuth Flow ======== ================================================ 0. Overview 1. Detailed Description 2. Proof Of Concept 3. Solution 4. Disclosure Timeline 5. References 6. Credits 7. Legal Notices ========...

CVE-2025-31684 OAuth2 Client - Moderately critical - Cross Site Request Forgery - SA-CONTRIB-2025-013

Cross-Site Request Forgery CSRF vulnerability in Drupal OAuth2 Client allows Cross Site Request Forgery.This issue affects OAuth2 Client: from 0.0.0 before 4.1.3...

CVE-2025-31123 Zitadel Expired JWT Keys Usable for Authorization Grants

Zitadel is open-source identity infrastructure software. A vulnerability existed where expired keys can be used to retrieve tokens. Specifically, ZITADEL fails to properly check the expiration date of the JWT key when used for Authorization Grants. This allows an attacker with an expired key to...

Parse Server has an OAuth login vulnerability

Impact The 3rd party authentication handling of Parse Server allows the authentication credentials of some specific authentication providers to be used across multiple Parse Server apps. For example, if a user signed up using the same authentication provider in two unrelated Parse Server apps, th...

GHSA-837Q-JHWX-CMPV Parse Server has an OAuth login vulnerability

Impact The 3rd party authentication handling of Parse Server allows the authentication credentials of some specific authentication providers to be used across multiple Parse Server apps. For example, if a user signed up using the same authentication provider in two unrelated Parse Server apps, th...

CVE-2025-30168 Parse Server has an OAuth login vulnerability

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 7.5.2 and 8.0.2, the 3rd party authentication handling of Parse Server allows the authentication credentials of some specific authentication providers to be used across multiple Parse...