Improper Neutralization of Special Elements in Data Query Logic in Apache Solr for TYPO3 - Enterprise Search - CVE-2026-56094
Published: August 26, 2026
Vulnerability identifier: #VU145740
CSH Severity: Medium
CVSS v4: 6.3 [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]
CVE-ID: CVE-2026-56094
CWE-ID: CWE-943
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected extension allows a request-provided additionalFilters parameter to register a named siteHash filter before the system's own siteHash filter is applied. A remote attacker can read public documents belonging to another site.
Affected software
Apache Solr for TYPO3 - Enterprise Search
How to mitigate CVE-2026-56094
Install updates from vendor's website.
Apache Solr for TYPO3 - Enterprise Search - addressed in versions 11.6.6, 12.1.4, 13.1.4