{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-56095","assignerOrgId":"f4fb688c-4412-4426-b4b8-421ecf27b14a","state":"PUBLISHED","assignerShortName":"TYPO3","dateReserved":"2026-06-18T17:29:39.231Z","datePublished":"2026-08-25T09:00:47.261Z","dateUpdated":"2026-09-17T05:55:44.089Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f4fb688c-4412-4426-b4b8-421ecf27b14a","shortName":"TYPO3","dateUpdated":"2026-09-17T05:55:44.089Z"},"title":"Insecure Deserialization in extension \"Apache Solr for TYPO3 - Enterprise Search\" (solr)","datePublic":"2026-08-25T09:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","type":"CWE"}]}],"affected":[{"vendor":"TYPO3","product":"Extension \"Apache Solr for TYPO3 - Enterprise Search\"","collectionURL":"https://packagist.org/","packageName":"apache-solr-for-typo3/solr","repo":"https://github.com/TYPO3-Solr/ext-solr","versions":[{"status":"affected","version":"13.0.0","lessThan":"13.1.4","versionType":"semver"},{"status":"affected","version":"12.0.0","lessThan":"12.1.4","versionType":"semver"},{"status":"affected","version":"11.5.0","lessThan":"11.6.6","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The extension's indexer passed every field value returned by content object rendering through PHP's unserialize() function when transferring multi-value data for the SOLR_CLASSIFICATION, SOLR_MULTIVALUE and SOLR_RELATION content object types, rather than a safe format. If user-generated content saved in the TYPO3 database can reach an indexed field, this exposes a PHP Object Injection surface.","supportingMedia":[{"type":"text/html","base64":false,"value":"The extension's indexer passed every field value returned by content object rendering through PHP's unserialize() function when transferring multi-value data for the SOLR_CLASSIFICATION, SOLR_MULTIVALUE and SOLR_RELATION content object types, rather than a safe format. If user-generated content saved in the TYPO3 database can reach an indexed field, this exposes a PHP Object Injection surface."}]}],"references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-025","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.7,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Marc Bastian Heinrichs","type":"reporter"},{"lang":"en","value":"Rafael Kähm","type":"remediation developer"},{"lang":"en","value":"EXT:solr team by dkd Internet Service GmbH","type":"remediation developer"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-25T14:10:41.182608Z","id":"CVE-2026-56095","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-25T14:10:56.394Z"}}]}}