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symfony/mailtrap-mailer vulnerabilities (Packagist)

1 vulnerability.

symfony/mailtrap-mailer PackagistSymfony: Mailtrap Mailer Webhook Parser Never Verifies the X-Mt-Signature HMAC — Unauthenticated Webhook Event InjectionCVE-2026-45755Fix available6.9 MediumMay 28, 2026