[MEDIUM] The mailqueue TYPO3 extension has Insecure Deserialization in `TransportFailure` class

PKSA-nq65-b886-3hc5 CVE-2026-1323 GHSA-2pm6-9fhx-vvg3

Affected version: >=0.5.0,<0.5.2|<0.4.5

Reported by:
GitHub