GHSA-2PM6-9FHX-VVG3 The mailqueue TYPO3 extension has Insecure Deserialization in `TransportFailure` class

Description The extension fails to properly define allowed classes used when deserializing transport failure metadata. An attacker may exploit this to execute untrusted serialized code. Note that an active exploit requires write access to the directory configured at...

CVE-2026-0859

TYPO3's mail‑file spool deserialization flaw lets local users with write access to the spool directory craft a malicious file that is deserialized during the mailer:spool:send command, enabling arbitrary PHP code execution on the web server. This issue affects TYPO3 CMS versions 10.0.0-10.4.54,...

WorldMail IMAP Server Directory Traversal Arbitrary Spool Access

Binary data 3299.prm...