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CVE-2026-0859

🔴 HIGH

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 arbitr...

Published
Jan 13, 2026
Last Modified
Jan 14, 2026
Views
16
Bookmarks
0

Description

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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.

Affected Products (1)

typo3 - typo3

Version: *

CVSS Scores

CVSS 3.1 7.8
7.8
HIGH
CVSS 2.0 7.8

References

github.com github.com github.com typo3.org

Additional Information

Source
f4fb688c-4412-4426-b4b8-421ecf27b14a
State
Analyzed

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