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CVE-2026-50157

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

CVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-50157

Published

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.

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CVE-2026-50157 · CVE overview and exploitation status

cve-program · CVE-2026-50157

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Sources read 13 Nov 16:22 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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