SQL Injection in Koha
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 functionali…
Vulnerability class: SQL Injection
EPSS: 0.001 (17.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Koha — versions 25.11.00
- Koha Community — versions 24.11.0, 25.05.0, 25.11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (issue-tracking, Issue Tracking)
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (vendor-advisory, Not Applicable)
- 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (release-notes, Release Notes)
Frequently asked questions
- What is CVE-2026-31844?
- CVE-2026-31844 is a high-severity vulnerability in Koha, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-03-11.
- How severe is CVE-2026-31844?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-31844 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.