CVE-2026-0895

Medium

Description

The extension extends TYPO3’ FileSpool component, which was vulnerable to Insecure Deserialization prior to TYPO3-CORE-SA-2026-004 https://typo3.org/security/advisory/typo3-core-sa-2026-004 . Since the related fix is overwritten by the extension, using the extension with a patched TYPO3 core version still allows for Insecure Deserialization, because the affected vulnerable code was extracted from TYPO3 core to the extension. More information about this vulnerability can be found in the related TYPO3 Core Security Advisory TYPO3-CORE-SA-2026-004 https://typo3.org/security/advisory/typo3-core-sa-2026-004 .

SeverityMedium
CVSS5.2
Exploit probability—
ProductCpsit/typo3-mailqueue
PublishedJan 20, 2026
First seenJan 20, 2026

How to fix

Affected products

ProductAffected versionsFixed in
cpsit/typo3-mailqueuePackagistv < 0.4.3, 0.5.0 ≤ v < 0.5.10.4.3, 0.5.1

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