CVE-2026-1323

Summary

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'].

Affected Software

VendorProductVersion RangeStatus
TYPO3Extension “Mailqueue”0 < 0.4.5affected
TYPO3Extension “Mailqueue”0.5.0 < 0.5.2affected

Weaknesses

  • CWE-502: CWE-502 Deserialization of Untrusted Data

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References