VULNERABILITY INTELLIGENCE
CVE-2026-1323
CVSS score8.8 HIGH
EPSS probability0.22%
CISA KEVNot currently listed
Published2026-03-17
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 $GLOBALS['TYPO3_CONF_VARS']['MAIL']['transport_spool_filepath'].
Weakness classification
- f4fb688c-4412-4426-b4b8-421ecf27b14a: CWE-502
Primary references
- f4fb688c-4412-4426-b4b8-421ecf27b14a — Vendor Advisory