CVE-2026-0895

The extension extends TYPO3’ FileSpool component, which was vulnerable to Insecure Deserialization prior to TYPO3-CORE-SA-2026-004 https://typo3.org/security/advisory/typo3-core-sa-2026-004 . Since the related fix is overwritten by the extension, using the extension with a patched TYPO3 core...

Deserialization of Untrusted Data

Overview cpsit/typo3-mailqueue is a TYPO3 CMS extension to improve TYPO3's mail spooler with additional components. Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the FileSpool component. An attacker can execute arbitrary code by providing crafted...