CVE-2026-48747: Improper Verification of Cryptographic Signature

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 7.4.13 and 8.0.13, MailomatRequestParser::validateSignature parsed X-MOM-Webhook-Signature as algo=signature and passed the request-selected algorithm to hashhmac, allowing a signature...