CVE-2026-1323 — Insecure Deserialization in extension "Mailqueue" (mailqueue)

CVE-2026-1323

Insecure Deserialization in extension "Mailqueue" (mailqueue) PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
TYPO3 / Extension "Mailqueue"	affected 0 before 0.4.5; affected 0.5.0 before 0.5.2

CWE

CWE-502

References

https://typo3.org/security/advisory/typo3-ext-sa-2026-005

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.