CVE-2026-50157: Symfony Authenticator Token In Query

OAuth or bearer tokens should not be accepted from URL query parameters ($request->query), as query parameters can be leaked via server logs, browser history, and HTTP Referer headers. Extract tokens exclusively from the Authorization header instead.

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0PHP
greprules fetch cve-2026-50157-symfony-authenticator-token-in-query --engine opengrep

Description

OAuth or bearer tokens should not be accepted from URL query parameters ($request->query), as query parameters can be leaked via server logs, browser history, and HTTP Referer headers. Extract tokens exclusively from the Authorization header instead.