CVE-2026-0859
HIGH WAF: Medium
CVSS 7.8
Published: 2026-01-13
CWE-502
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.
WAF Coverage Analysis
Insecure Deserialization
Medium WAF Coverage
OWASP: A08:2021 Software and Data Integrity Failures
944xxx - Java Attack
Affected Software
| Vendor | Product | Version |
|---|---|---|
| typo3 | typo3 | 10.0.0 - 10.4.55 |
| typo3 | typo3 | 11.0.0 - 11.5.49 |
| typo3 | typo3 | 12.0.0 - 12.4.41 |
| typo3 | typo3 | 13.0.0 - 13.4.23 |
| typo3 | typo3 | 14.0.0 - 14.0.2 |
References
- github.com (Patch)
- github.com (Patch)
- github.com (Patch)
- typo3.org (Vendor Advisory)