The Auth0 ASP.NET Core Authentication SDK incorrectly determines a session's OIDC Back-Channel Logout status, which may result in a logged-out session being accepted for access to protected endpoints.
Vendor
auth0 vulnerabilities
76 published CVES affecting auth0, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 76
- Critical
- 17
- High
- 24
- Medium
- 28
- Low
- 4
- Unscored
- 3
- CISA KEV
- 0
Products
- @auth0/nextjs-auth0 8
- auth0.js 8
- auth0/symfony 7
- auth0/wordpress 6
- auth0/auth0-php 5
- auth0/login 5
- Login by Auth0 5
- jsonwebtoken 4
- lock 4
- passport-wsfed-saml2 4
- Auth0 AD/LDAP Connector 3
- node-jsonwebtoken 3
- wp-auth0 3
- express openid connect 2
- express-openid-connect 2
- laravel-auth0 2
- ad-ldap-connector 1
- adldap connector 1
- angular-jwt 1
- aspnet 1
- aspnet-owin 1
- Auth0 AI JS 1
- Auth0 ASP.NET Core Authentication 1
- Auth0 Node JS 1
- auth0-lock 1
- auth0-wcf-service-jwt 1
- auth0.net 1
- express-jwt 1
- java-jwt 1
- node-auth0 1
Latest auth0 CVEs
Newest publication first · page 1 of 4
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Unknown EPSS 0.23%
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Unknown EPSS 0.20%
The Management API client in the Auth0 Node.js SDK improperly neutralizes path parameters, allowing a request and its attached management API token to be redirected to an unintended endpoint on the same tenant, resulting in unintended access to data or operations that the token's...
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Unknown EPSS 0.18%
The auth0-ai-js FGA retriever does not distinguish between authorization checks under different conditions when filtering documents during retrieval-augmented generation, resulting in documents denied by Auth0 FGA being included in the model context and used in the generated resp...
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MediumCVSS 5.3 EPSS 0.32%
The auth0/java-jwt library may terminate a thread if it receives a JWT with a timestamp claim (exp, nbf, iat) containing an out-of-range value. The condition occurs during token parsing, prior to signature verification. Repeated requests of this nature may lead to degraded availa...
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MediumCVSS 5.4 EPSS 0.21%
When the authorize() method is called with a maxAge parameter, the auth0.js library does not validate the auth_time claim in the resulting ID token against the requested maxAge value. As a result, an application may process an ID token that represents an authentication event olde...
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MediumCVSS 5.3 EPSS 0.28%
When a username for an Active Directory connection is a domain without a local part, the auth0-lock library initiates the authentication transaction with a GET request instead of a POST request. As a result, user-submitted form data is appended to the URL as query string paramete...
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MediumCVSS 6.1 EPSS 0.22%
The auth0/nextjs-auth0 SDK validates that the returnTo parameter is a same-origin URL. The SDK then stores this value and, in a later step, reconstructs it for the post-authentication redirect. The reconstruction logic can produce a URL that browsers interpret as an absolute or s...
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CVE-2026-50157 Auth0 Symfony: Bearer Token Accepted via URL Query Parameter in Auth0 Symfony SDK
PublishedMediumCVSS 6.5 EPSS 0.51%Auth0 Symfony is a Symfony SDK for Auth0 Authentication and Management APIs. From 5.0.0-BETA0 until 5.9.0, the Authorizer::authenticate() and Authorizer::supports() paths in the Authorizer security authenticator may accept OAuth 2.0 bearer access tokens from the token URL query p...
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MediumCVSS 6.5 EPSS 0.28%
The react-native-auth0 SDK's web platform implementation does not scope its in-memory token cache to individual user sessions when operating in a server-side rendering (SSR) environment where module state persists across HTTP requests. Under the listed preconditions, tokens cache...
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HighCVSS 7.8 EPSS 0.20%
The Auth0 AD/LDAP Connector improperly processes a configuration value during service startup. This allows a low-privileged user on the host system to modify the connector's configuration. When the service restarts, the modified configuration can lead to code execution with the p...
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CriticalCVSS 9.0 EPSS 0.40%
The Auth0 AD/LDAP Connector is vulnerable to stored Cross-Site Scripting (XSS) issues due to improper HTML encoding of data in search results and updater log content displayed in the admin panel. An authenticated user with privileges to modify directory attributes, or a low-privi...
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MediumCVSS 6.7 EPSS 0.19%
The administrative panel of the Auth0 AD/LDAP Connector (versions 6.5.0 and earlier) listens on the local loopback interface without requiring authentication. This allows a local, low-privileged user or process on the host system to access the panel's management endpoints without...
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HighCVSS 7.1 EPSS 0.21%
Auth0.js is a client-side JavaScript library for Auth0. From 8.11.0 to 9.32.0, under specific preconditions, the Auth0.js SDK may improperly return user profile information using a valid access token when a specifically crafted invalid ID token is provided. This vulnerability is...
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MediumCVSS 5.4 EPSS 0.21%
The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. In versions 4.12.0 through 4.17.1, simultaneous requests that trigger a nonce retry may cause the proxy cache fetcher to perform improper lookups for the token request results. Users...
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HighCVSS 8.2
Impact In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. Am I Affected? Consumers are affected if their application meets the following pre...
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HighCVSS 8.2
Impact In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. Am I Affected? Consumers are affected if their application meets the following pre...
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HighCVSS 8.2
Impact In applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. Am I Affected? You are affected if you meet the following preconditions: Applicati...
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CriticalCVSS 9.8 EPSS 0.22%
Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. From version 8.0.0 to before version 8.19.0, in applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and...
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HighCVSS 7.5 EPSS 0.42%
Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. In applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens. Projects ar...
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GHSA-vvg7-8rmq-92g7 Auth0 WordPress has Improper Audience Validation via Auth0-PHP SDK Dependency
PublishedMediumCVSS 6.8Description In applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens. Affected product and versions Projects are affected if they meet the...
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MediumCVSS 6.8
Description In applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens. Affected product and versions Projects are affected if they meet the...
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GHSA-7hh9-gp72-wh7h Auth0 Laravel SDK has Improper Audience Validation via Auth0-PHP SDK dependency
PublishedMediumCVSS 6.8Description In applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens. Affected product and versions Users are affected if they meet the fo...
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MediumCVSS 5.7 EPSS 0.28%
The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. Versions 4.9.0 through 4.12.1 contain an input-validation flaw in the returnTo parameter, which could allow attackers to inject unintended OAuth query parameters into the Auth0 author...
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MediumCVSS 5.4 EPSS 0.22%
The Auth0 Next.js SDK is a library for implementing user authentication in Next.js applications. When using versions 4.11.0 through 4.11.2 and 4.12.0, simultaneous requests on the same client may result in improper lookups in the TokenRequestCache for the request results. This is...
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HighCVSS 7.5 EPSS 0.23%
auth0/node-jws is a JSON Web Signature implementation for Node.js. In versions 3.2.2 and earlier and version 4.0.0, auth0/node-jws has an improper signature verification vulnerability when using the HS256 algorithm under specific conditions. Applications are affected when they us...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.