@backstage/plugin-auth-backend: OAuth redirect URI allowlist bypass

Impact The experimental OIDC provider in @backstage/plugin-auth-backend is vulnerable to a redirect URI allowlist bypass. Instances that have enabled experimental Dynamic Client Registration or Client ID Metadata Documents and configured allowedRedirectUriPatterns are affected. A specially crafte...

EUVD-2026-11385

ha-mcp has XSS via Unescaped HTML in OAuth Consent Form...

CVE-2026-32112

ha-mcp (Home Assistant MCP Server) is affected prior to 7.0.0 by an XSS vulnerability in the OAuth consent form. The issue arises because the consent form renders user-controlled parameters using Python f-strings without HTML escaping, allowing an attacker who can reach the OAuth endpoint and ind...

EUVD-2026-11123

The Modular DS: Monitor, update, and backup multiple websites plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.5.1. This is due to missing nonce validation on the postConfirmOauth function. This makes it possible for unauthenticated attacker...

CVE-2026-28415

A flaw was found in Gradio, an open-source Python package. The redirecttotarget function in Gradio's OAuth flow accepts an unvalidated targeturl query parameter. A remote attacker can exploit this vulnerability by crafting a malicious URL, leading to an open redirect. This allows the attacker to...

CVE-2026-28415

Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.6.0, the redirecttotarget function in Gradio's OAuth flow accepts an unvalidated targeturl query parameter, allowing redirection to arbitrary external URLs. This affects the /logout and /login/callback...

PT-2026-22414

Name of the Vulnerable Software and Affected Versions Gradio versions prior to 6.6.0 Description Gradio is a Python package for rapid prototyping. A flaw exists in the OAuth flow where the redirect to target function does not properly validate the target url query parameter. This allows redirecti...

PcVue 安全漏洞

PcVue is a reliable, secure, and powerful operational software platform developed by PcVue Corporation. It is specifically designed for monitoring and controlling applications in markets such as building management and park management. Versions 12.0.0 to 16.3.3 of PcVue contain security...

GHSA-MP4X-C34X-WV3X Feathers has an origin validation bypass via prefix matching

The origin validation uses startsWith for comparison, allowing attackers to bypass the check by registering a domain that shares a common prefix with an allowed origin. The getAllowedOrigin function checks if the Referer header starts with any allowed origin: javascript //...

GHSA-97RM-XJ73-33JH eBay API MCP Server Affected by Environment Variable Injection

The ebaysetusertokens tool allows updating the .env file with new tokens. The updateEnvFile function in src/auth/oauth.ts blindly appends or replaces values without validating them for newlines or quotes. This allows an attacker to inject arbitrary environment variables into the configuration fil...

GHSA-7RCP-MXPQ-72PJ OpenClaw Chutes manual OAuth state validation bypass can cause credential substitution

Summary The manual Chutes OAuth login flow could accept attacker-controlled callback input in a way that bypassed OAuth CSRF state validation, potentially resulting in credential substitution. Impact If an attacker can convince a user to paste attacker-provided OAuth callback data during the manu...

CVE-2026-1486 Org.keycloak.protocol.oidc.grants: disabled identity providers are still accepted for jwt authorization grant

A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...

GO-2026-4398 WireGuard Portal v2 has Open Redirect Vulnerability in OAuth Authentication Flow in github.com/h44z/wg-portal

WireGuard Portal v2 has Open Redirect Vulnerability in OAuth Authentication Flow in github.com/h44z/wg-portal. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports fr...

CVE-2026-25221

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, the OAuth 2.0 implementation for GitHub and Google login providers is vulnerable to Login Cross-Site Request Forgery CSRF. The application fails to implement and verify the state parameter during the...

PT-2026-6468

A flaw was found in Moodle. An Open Redirect vulnerability in the OAuth login flow allows a remote attacker to redirect users to attacker-controlled pages after they have successfully authenticated. This occurs due to insufficient validation of redirect parameters, which could lead to phishing...

CVE-2026-25221

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, the OAuth 2.0 implementation for GitHub and Google login providers is vulnerable to Login Cross-Site Request Forgery CSRF. The application fails to implement and verify the state parameter during the...

CVE-2025-69207 Khoj has an IDOR in Notion OAuth Flow Enables Index Poisoning

Khoj is a self-hostable artificial intelligence app. Prior to 2.0.0-beta.23, an IDOR in the Notion OAuth callback allows an attacker to hijack any user's Notion integration by manipulating the state parameter. The callback endpoint accepts any user UUID without verifying the OAuth flow was...

CVE-2025-69207

CVE-2025-69207 concerns Khoj, a self-hosted AI app. Pre-2.0.0-beta.23, an IDOR in the Notion OAuth callback lets an attacker hijack a user’s Notion integration by manipulating the OAuth callback’s state parameter. The endpoint accepts any user UUID without verifying the initiated OAuth flow, enab...

CVE-2026-24408

sigstore-python is a Python tool for generating and verifying Sigstore signatures. Prior to version 4.2.0, the sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery. OAuthSession creates a unique "state" and sends it as a parameter in the authentication request bu...

EUVD-2026-4729

sigstore-python is a Python tool for generating and verifying Sigstore signatures. Prior to version 4.2.0, the sigstore-python OAuth authentication flow is susceptible to Cross-Site Request Forgery. OAuthSession creates a unique "state" and sends it as a parameter in the authentication request bu...