188 matches found
CVE-2026-46715 Flask-Security-Too OAuth reauthentication freshness bypass via cross- user OAuth identity acceptance
Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an already-authenticated but stale victim...
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-2026-58489
HedgeDoc is an open source, real-time collaborative markdown notes application. Prior to 1.11.0, the GitHub Gist export flow created an OAuth2 state value but only checked that it was present rather than validating it against the value expected for the user's session. Because the state was not...
CVE-2026-58489
HedgeDoc is an open source, real-time collaborative markdown notes application. Prior to 1.11.0, the GitHub Gist export flow created an OAuth2 state value but only checked that it was present rather than validating it against the value expected for the user's session. Because the state was not...
PYSEC-2026-2730 Open WebUI: LDAP and OAuth First-User Race Condition Allows Multiple Admin Accounts
Summary The LDAP and OAuth authentication flows use a TOCTOU Time-of-Check-Time-of-Use pattern for first-user admin role assignment. The regular signup handler signuphandler in auths.py, line 663 was explicitly patched to prevent this race with the comment "Insert with default role first to avoid...
PT-2026-57920
Name of the Vulnerable Software and Affected Versions HedgeDoc versions prior to 1.11.0 Description The GitHub Gist export flow fails to properly validate the OAuth2 state value, checking only for its presence instead of verifying it against the user session. This allows an attacker to forge a...
CVE-2026-55672 ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)
ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refre...
PYSEC-2026-1937 Spotipy has a XSS vulnerability in its OAuth callback server
Summary XSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. Details Vulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGET The...
PYSEC-2026-1769 pgadmin4 is affected by a Cross-Origin Opener Policy (COOP) vulnerability
pgAdmin = 9.7 is affected by a Cross-Origin Opener Policy COOP vulnerability. This vulnerability allows an attacker to manipulate the OAuth flow, potentially leading to unauthorised account access, account takeover, data breaches, and privilege escalation...
Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection
Description The getRedirectURL function in oauth2.go:22-29 constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path, with zero validation of the Host header: go func getRedirectURLc gin.Context string scheme := "http://" referer := c.Request.Referer if...
PT-2026-52592
Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A JWT algorithm confusion flaw exists in the JWT Authorization Grant flow. An attacker possessing valid client credentials can bypass signature verification by forging an assertion. This...
CVE-2026-55666
Rocket.Chat is an open-source, secure, fully customizable communications platform. Prior to 8.5.1, 8.4.4, 8.3.6, 8.2.6, 8.1.6, 8.0.7, and 7.10.13, in apps/meteor/app/apple/server/loginHandler.ts, handleIdentityToken parses a JWT issued by Apple during the OAuth flow. The try block checks for an...
CVE-2026-54305
CVE-2026-54305 affects n8n Enterprise instances using the Dynamic Credentials EE Endpoints. Prior to versions 1.123.55, 2.25.7, and 2.26.2, three Dynamic Credentials endpoints accepted any authenticated session without per-resource ownership or scope checks on the target workflow or credential. A...
CVE-2026-56425
The Azure Active Directory AAD authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session identifier sessionid as the OAuth state...
CVE-2026-56425 MISP AAD authentication plugin - Improper OAuth State Handling, Missing Session Rotation, Insecure Redirect URI Validation, and Log Injection
The Azure Active Directory AAD authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session identifier sessionid as the OAuth state...
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...
CVE-2026-48991
XianYuLauncher (Minecraft Java Edition launcher) is affected in versions prior to 1.5.5. The legacy Microsoft account OAuth sign-in flow used a fixed localhost redirect URI and lacked PKCE and state validation, allowing sensitive authentication artifacts to be exposed under certain local attack c...
GHSA-2J5H-858J-5MPF n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints
Impact Three EE endpoints used by the Dynamic Credentials feature accepted any authenticated n8n session without performing per-resource ownership or scope checks on the target workflow or credential. An authenticated user with no project membership or credential sharing relationship could...
CVE-2026-42073
OpenClaude is an open-source coding-agent command line interface for cloud and local model providers. Prior to version 0.5.1, the OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter...