CVE-2026-93484: SQL Injection
Znuny through 7.3.6 constructs a ticket-search database query by directly concatenating user-supplied input into the SQL statement. This lack of proper sanitization or the use of parameterized queries allows an attacker to inject arbitrary SQL commands, leading to data theft, modification, or denial of service. Specifically this is in Kernel::System::Ticket::TicketSearch and Kernel::System::Ticket::ArticleSearchIndex::DB via the ContentSearch parameter. The parameter is expected to be either "AND" or "OR", but its value was concatenated directly into the generated SQL query without validation.
Affected Software
Event History
Frequently Asked Questions
Which Znuny versions are identified as affected?
Znuny through version 7.3.6 is identified as affected. The provided information does not identify a fixed version.
What capability would an attacker need to exploit this issue?
An attacker would need to control the ContentSearch parameter used by the ticket-search functionality. The issue occurs because that value is concatenated into the SQL query without validation.
What can be done if updating is not immediately possible?
Ensure that ContentSearch is strictly validated before it reaches the affected search code. Only the expected literal values, AND or OR, should be accepted.