Skip to content
CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-50157

Auth0 Symfony: Bearer Token Accepted via URL Query Parameter in Auth0 Symfony SDK

Description

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 parameter as well as the Authorization header for protected HTTP routes. Query-string tokens can be recorded in server logs, browser history, or referrer data and then replayed against protected API endpoints. This issue is fixed in version 5.9.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

auth0 symfony

  • >= 5.0.0-BETA0, < 5.9.0affected

References