CVE-2026-0859

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/TYPO3/typo3/commit/3225d705080a1bde57a66689621c947da5a4782f	Patch
https://github.com/TYPO3/typo3/commit/722bf71c118b0a8e4f2c2494854437d846799a13	Patch
https://github.com/TYPO3/typo3/commit/e0f0ceee480c203fbb60b87454f5f193e541d27f	Patch
https://typo3.org/security/advisory/typo3-core-sa-2026-004	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::
	cpe:2.3:a:typo3:typo3::::::::

History

No history.

Information

Published : 2026-01-13 12:15

Updated : 2026-01-14 18:57

NVD link : CVE-2026-0859

Mitre link : CVE-2026-0859

CVE.ORG link : CVE-2026-0859

JSON object : View

Products Affected

typo3

typo3

CWE

CWE-502

Deserialization of Untrusted Data

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