GHSA-GGFF-9MJ3-7246 mailqueue TYPO3 extension affected by Insecure Deserialization in QueueableFileTransport

Description The extension extends TYPO3’s FileSpool component, which was vulnerable to Insecure Deserialization prior to TYPO3-CORE-SA-2026-004. Since the related fix is overwritten by the extension, using the extension with a patched TYPO3 core version still allows for Insecure Deserialization,...