TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool_CVE-2026-0859

{
    "lastseen": "",
    "description": "TYPO3's mail\u2011file 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.",
    "published": "2026-01-13T11:54:11.494Z",
    "modified": "2026-01-13T11:54:25.069Z",
    "type": "cve",
    "title": "TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool",
    "source": "TYPO3",
    "references": "https://typo3.org/security/advisory/typo3-core-sa-2026-004\nhttps://github.com/TYPO3/typo3/commit/3225d705080a1bde57a66689621c947da5a4782f\nhttps://github.com/TYPO3/typo3/commit/e0f0ceee480c203fbb60b87454f5f193e541d27f\nhttps://github.com/TYPO3/typo3/commit/722bf71c118b0a8e4f2c2494854437d846799a13",
    "id": "CVE-2026-0859",
    "bulletinFamily": "",
    "cwe": [
        "CWE-502"
    ],
    "cvelist": null,
    "sourceData": "TYPO3 TYPO3 CMS 10.0.0\nTYPO3 TYPO3 CMS 11.0.0\nTYPO3 TYPO3 CMS 12.0.0\nTYPO3 TYPO3 CMS 13.0.0\nTYPO3 TYPO3 CMS 14.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.2,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "TYPO3 CMS",
    "version": "10.0.0",
    "vendor": "TYPO3",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}