CVE-2026-31844: Koha

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

An authenticated SQL Injection vulnerability (CWE-89) exists in the Koha staff interface in the /cgi-bin/koha/suggestion/suggestion.pl endpoint due to improper validation of the displayby parameter used by the GetDistinctValues functionality. Successful exploitation may lead to full compromise of the backend database, including disclosure or modification of stored data.

Affected products

• Koha Koha: from 24.11.0, before 24.11.12 (fixed in 24.11.12); from 25.05.0, before 25.05.07 (fixed in 25.05.07); version 25.11.00 only

Published 2026-03-11. Last modified 2026-08-10.