Vulnerability Details CVE-2026-31844
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 30.3%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 9.0
References
Products affected by CVE-2026-31844
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cpe:2.3:a:koha:koha:*
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cpe:2.3:a:koha:koha:25.05.04-1
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cpe:2.3:a:koha:koha:25.05.05-1
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cpe:2.3:a:koha:koha:25.05.05-2
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cpe:2.3:a:koha:koha:25.05.06-1
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cpe:2.3:a:koha:koha:25.05.06-2
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cpe:2.3:a:koha:koha:25.11.00