Claude Mythos Preview, Anthropic's unreleased model, audited Symfony and Twig code and reported 19 vulnerabilities. All of them turned out to be real.
May 21, 2026
#Symfony
❤️ 25
👍 9
🚀 9
🎉 3
Email Header Injection via Non-Token Characters in Mime Parameter Names
May 20, 2026
#Security Advisories
#Symfony
Johannes introduces Symfony Mate, an MCP server that exposes a curated, deterministic view of your running Symfony application (container, services, profiler, logs) to any MCP-aware client
May 20, 2026
#Conferences
Twilio Notifier Webhook Parser Never Verifies the X-Twilio-Signature HMAC: Unauthenticated Webhook Event Injection
May 20, 2026
#Security Advisories
#Symfony
Mailjet Mailer and LOX24 Notifier Webhook Parsers Never Verify the Configured Secret: Unauthenticated Webhook Event Injection
May 20, 2026
#Security Advisories
#Symfony
Mailtrap Mailer Webhook Parser Never Verifies the X-Mt-Signature HMAC: Unauthenticated Webhook Event Injection
May 20, 2026
#Security Advisories
#Symfony
JsonPath Evaluates Attacker-Controlled Regular Expressions in match()/search() Without Limits: ReDoS
May 20, 2026
#Security Advisories
#Symfony
SymfonyRuntime CVE-2024-50340 Patch Bypass: Web Requests Can Still Set APP_ENV/APP_DEBUG via parse_str/SAPI Argv Mismatch
May 20, 2026
#Security Advisories
#Symfony
SQL Injection in PdoAdapter::doClear() via Unsanitized $prefix
May 20, 2026
#Security Advisories
#Symfony
HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]
May 20, 2026
#Security Advisories
#Symfony