CVE-2026-48747 | Symfony Mailer Webhook Parser downgrade

June 16, 2026 Yanac

A vulnerability identified as problematic has been detected in Symfony. This affects an unknown function of the component Mailer Webhook Parser. Performing a manipulation results in algorithm downgrade.

This vulnerability is reported as CVE-2026-48747. The attack is possible to be carried out remotely. No exploit exists.

You should upgrade the affected component.VulDB Recent EntriesRead More