{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-0859",
        "assignerOrgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
        "state": "PUBLISHED",
        "assignerShortName": "TYPO3",
        "dateReserved": "2026-01-12T11:25:46.041Z",
        "datePublished": "2026-01-13T11:54:11.494Z",
        "dateUpdated": "2026-01-13T14:12:12.132Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://packagist.org",
                    "defaultStatus": "unaffected",
                    "modules": [
                        "Core"
                    ],
                    "packageName": "typo3/cms-core",
                    "product": "TYPO3 CMS",
                    "repo": "https://github.com/TYPO3/typo3",
                    "vendor": "TYPO3",
                    "versions": [
                        {
                            "lessThan": "10.4.55",
                            "status": "affected",
                            "version": "10.0.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "11.5.49",
                            "status": "affected",
                            "version": "11.0.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "12.4.41",
                            "status": "affected",
                            "version": "12.0.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "13.4.23",
                            "status": "affected",
                            "version": "13.0.0",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "14.0.2",
                            "status": "affected",
                            "version": "14.0.0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "10.4.55",
                                    "versionStartIncluding": "10.0.0",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "11.5.49",
                                    "versionStartIncluding": "11.0.0",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "12.4.41",
                                    "versionStartIncluding": "12.0.0",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "13.4.23",
                                    "versionStartIncluding": "13.0.0",
                                    "vulnerable": true
                                },
                                {
                                    "criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "14.0.2",
                                    "versionStartIncluding": "14.0.0",
                                    "vulnerable": true
                                }
                            ],
                            "negate": false,
                            "operator": "OR"
                        }
                    ],
                    "operator": "OR"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "reporter",
                    "value": "Vitaly Simonovich"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Elias Häußler"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Oliver Hader"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "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 <code>mailer:spool:send</code> 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."
                        }
                    ],
                    "value": "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."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "LOCAL",
                        "baseScore": 5.2,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "HIGH",
                        "subIntegrityImpact": "HIGH",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "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",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "LOW",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-502",
                            "description": "CWE-502 Deserialization of Untrusted Data",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "f4fb688c-4412-4426-b4b8-421ecf27b14a",
                "shortName": "TYPO3",
                "dateUpdated": "2026-01-13T11:54:25.069Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://typo3.org/security/advisory/typo3-core-sa-2026-004"
                },
                {
                    "name": "Git commit of main branch",
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/TYPO3/typo3/commit/3225d705080a1bde57a66689621c947da5a4782f"
                },
                {
                    "name": "Git commit of 13.4 branch",
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/TYPO3/typo3/commit/e0f0ceee480c203fbb60b87454f5f193e541d27f"
                },
                {
                    "name": "Git commit of 12.4 branch",
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/TYPO3/typo3/commit/722bf71c118b0a8e4f2c2494854437d846799a13"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-13T14:11:54.124321Z",
                                "id": "CVE-2026-0859",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-13T14:12:12.132Z"
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        ]
    }
}