CVE-2026-0859 — TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool
TYPO3's mail‑file spool deserialization flaw lets local users with write access to the spool directory craft a malicious file that is deserialized during the mailer:spool:send c…
Published: 2026-01-13 · CVSS: 5.2 · CVSS 4.0
TYPO3's mail‑file spool deserialization flaw lets local users with write access to the spool directory craft a malicious file that is deserialized during the mailer:spool:send command, enabling arbitrary PHP code execution on the web server. This issue affects TYPO3 CMS versions 10.0.0-10.4.54, 11.0.0-11.5.48, 12.0.0-12.4.40, 13.0.0-13.4.22 and 14.0.0-14.0.1.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7