Skip to content

« Symfony » blog posts

UrlGenerator Dot-Segment Encoding Skips Every Other Chained ../ or ./: Generated URL Collapses Off-Route Under RFC 3986 Normalization
May 27, 2026 #Symfony ❤️ 1
Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes
May 27, 2026 #Symfony
symfony/polyfill-intl-idn accepts xn-- labels whose Punycode payload decodes to ASCII-only: insecure equivalence
May 26, 2026 #Symfony 👍 1
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 👀 2 ❤️ 32 👍 11 🚀 13 🎉 3
Email Header Injection via Non-Token Characters in Mime Parameter Names
May 20, 2026 #Symfony
Mailjet Mailer and LOX24 Notifier Webhook Parsers Never Verify the Configured Secret: Unauthenticated Webhook Event Injection
May 20, 2026 #Symfony
Twilio Notifier Webhook Parser Never Verifies the X-Twilio-Signature HMAC: Unauthenticated Webhook Event Injection
May 20, 2026 #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 #Symfony
JsonPath Evaluates Attacker-Controlled Regular Expressions in match()/search() Without Limits: ReDoS
May 20, 2026 #Symfony
Mailtrap Mailer Webhook Parser Never Verifies the X-Mt-Signature HMAC: Unauthenticated Webhook Event Injection
May 20, 2026 #Symfony