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Symfony Blog

All about Symfony releases, new Symfony features, and other important announcements

Identity Spoofing via Unanchored DN Regex in X509Authenticator
HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and Misclassification
Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address
Argument Injection in SendmailTransport via Dash-Prefixed Recipient Address
OidcTokenHandler Accepts JWTs Missing aud/iss/exp Claims
Stored XSS in WebProfiler CodeExtension::fileExcerpt(): Unescaped Non-PHP File Rendering
Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replay
HEAD Request Bypasses methods: ['GET'] Filter in #[IsGranted] / #[IsSignatureValid] / #[IsCsrfTokenValid]
Unauthenticated PHP Object Deserialization in MonologBridge server:log Listener
YAML Parser ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex