CVE-2026-56094

Information Disclosure in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)

Published Aug 25, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
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 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Typo3
Typo3 extension "apache Solr For Typo3 - Enterprise Search"
Vendors & Products Typo3
Typo3 extension "apache Solr For Typo3 - Enterprise Search"
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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 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.
Title Information Disclosure in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)
Weaknesses CWE-943
References
Metrics cvssV4_0

{'score': 6.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
TYPO3
Published
Updated
Sep 17, 2026, 5:53 AM
Reserved
Jun 18, 2026, 5:29 PM
Status
Deferred
Published
Aug 25, 2026, 9:17 AM
Modified
Sep 17, 2026, 6:16 AM