{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "13.0.0"
              },
              {
                "fixed": "13.1.4"
              },
              {
                "introduced": "12.0.0"
              },
              {
                "fixed": "12.1.4"
              },
              {
                "introduced": "0"
              },
              {
                "fixed": "11.6.6"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0c9d7282dde216e98ea99d25130fb1e974952173"
            },
            {
              "fixed": "722363e5a62fa52c3bde1da402a7e483b331d5ed"
            },
            {
              "introduced": "15216391ffb46df703c7021cbf8f3353d3d25389"
            },
            {
              "fixed": "20d79a23a482c55dfd1f3e67cbc346d3fa7ef279"
            },
            {
              "introduced": "0"
            },
            {
              "fixed": "47ecacaaa3949054e6d0b2d32c5f56a2bfb8d75b"
            }
          ],
          "repo": "https://github.com/typo3-solr/ext-solr",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "TYPO3",
    "cwe_ids": [
      "CWE-502"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56095.json"
  },
  "details": "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.",
  "id": "CVE-2026-56095",
  "modified": "2026-08-28T11:30:44.227500386Z",
  "published": "2026-08-25T09:00:47.261Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://packagist.org/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56095.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56095"
    },
    {
      "type": "ADVISORY",
      "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-025"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/TYPO3-Solr/ext-solr"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Insecure Deserialization in extension \"Apache Solr for TYPO3 - Enterprise Search\" (solr)"
}