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CVE-2026-0859GHSA-7VP9-X248-9VR9

TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 10.4.55, 11.5.49, 12.4.41, 13.4.23, 14.0.2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • typo3/cms-core

    From 10.0.0 · fixed in 10.4.55; From 11.0.0 · fixed in 11.5.49; From 12.0.0 · fixed in 12.4.41; From 13.0.0 · fixed in 13.4.23; From 14.0.0 · fixed in 14.0.2

  • typo3/cms-corePackagist

    From 14.0.0 · fixed in 14.0.2

  • typo3/cms-corePackagist

    From 13.0.0 · fixed in 13.4.23

  • typo3/cms-corePackagist

    From 12.0.0 · fixed in 12.4.41

  • typo3/cms-corePackagist

    From 11.0.0 · fixed in 11.5.49

  • typo3/cms-corePackagist

    From 10.0.0 · fixed in 10.4.55

References 4

typo3.org

GitHub · TYPO3/typo3