CVE-2026-47212: Missing Authentication for Critical Function

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 6.4.40, 7.4.12, and 8.0.12, TwilioRequestParser::doParse received the configured webhook secret but ignored the X-Twilio-Signature HMAC header, allowing unauthenticated POST requests to inje...

CVE-2026-4984: Insufficient Verification of Data Authenticity

The Twilio integration webhook handler accepts any POST request without validating Twilio's 'X-Twilio-Signature'. When processing media messages, it fetches user-controlled URLs 'MediaUrlN' parameters using HTTP requests that include the integration's Twilio credentials in the 'Authorization'...

CVE-2026-47212: Twilio Notifier Webhook Parser Never Verifies the X-Twilio-Signature HMAC: Unauthenticated Webhook Event Injection

More info at https://symfony.com/cve-2026-47212...