Information Disclosure Vulnerability in TYPO3 Extension
CVE-2026-56096

6.3MEDIUM

Key Information:

Vendor

Typo3

Status
Extension "apache Solr For Typo3 - Enterprise Search"
Vendor
CVE Published:
25 August 2026

What is CVE-2026-56096?

A vulnerability exists within a TYPO3 extension that allows an unauthenticated remote attacker to exploit user-supplied search queries. By leveraging advanced Apache Solr query syntax without proper restrictions, attackers can enumerate indexed field names and extract stored values. This is accomplished through techniques such as boolean- and range-based blind extraction, which do not depend on specific site configurations, potentially leading to significant data exposure.

Affected Version(s)

Extension "Apache Solr for TYPO3 - Enterprise Search" 13.0.0 < 13.1.4

Extension "Apache Solr for TYPO3 - Enterprise Search" 12.0.0 < 12.1.4

Extension "Apache Solr for TYPO3 - Enterprise Search" 0 < 11.6.6

References

https://typo3.org/security/advisory/typo3-ext-sa-2026-025
vendor-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Albrecht Köhnlein
Yair Hinkis
Rafael Kähm
EXT:solr team by dkd Internet Service GmbH
.