{"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 H\u00e4u\u00dfler"}, {"lang": "en", "type": "remediation developer", "value": "Oliver Hader"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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 <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\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."}], "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"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-0859", "lastModified": "2026-01-13T14:03:18.990", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "type": "Secondary"}]}, "published": "2026-01-13T12:15:50.383", "references": [{"source": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "url": "https://github.com/TYPO3/typo3/commit/3225d705080a1bde57a66689621c947da5a4782f"}, {"source": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "url": "https://github.com/TYPO3/typo3/commit/722bf71c118b0a8e4f2c2494854437d846799a13"}, {"source": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "url": "https://github.com/TYPO3/typo3/commit/e0f0ceee480c203fbb60b87454f5f193e541d27f"}, {"source": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "url": "https://typo3.org/security/advisory/typo3-core-sa-2026-004"}], "sourceIdentifier": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-502"}], "source": "f4fb688c-4412-4426-b4b8-421ecf27b14a", "type": "Secondary"}]}

{}

{}