{"id":"CVE-2026-56094","title":"The extension allows a request-provided additionalFilters parameter to register a named siteHash filter before the system's own siteHash filter is applied, and the query builder does not overwrite an already-registered named filter","summary":"The extension allows a request-provided additionalFilters parameter to register a named siteHash filter before the system's own siteHash filter is applied, and the query builder does not overwrite an already-registered named filter. In a…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-943"],"vendor":"TYPO3","product":"apache-solr-for-typo3/solr","affected":["apache-solr-for-typo3/solr >= 13.0.0 < 13.1.4","apache-solr-for-typo3/solr >= 12.0.0 < 12.1.4","apache-solr-for-typo3/solr >= 11.5.0 < 11.6.6","apache-solr-for-typo3/solr < 11.2.8"],"published":"2026-08-25","updated":"2026-09-17","sourceUpdated":"2026-09-17T06:16:50.483","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56094","references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-025","label":"f4fb688c-4412-4426-b4b8-421ecf27b14a"}],"tags":["nvd","cve.org"],"epss":0.00256,"epssPercentile":0.17516,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-25T14:35:53.246785Z"},"cvssSource":"cna","ingestedAt":"2026-09-17T06:12:17.978Z","slug":"CVE-2026-56094","body":"## Overview\n\nThe extension allows a request-provided additionalFilters parameter to register a named siteHash filter before the system's own siteHash filter is applied, and the query builder does not overwrite an already-registered named filter. In a shared Solr core serving multiple TYPO3 sites, a visitor can use this to read public documents belonging to another site. The same root cause also affects the suggest top-results path when suggest is enabled.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}