What is CVE-2026-70373?

CVE-2026-70373 is a high-severity vulnerability in Koha Community, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-08-04.

How severe is CVE-2026-70373?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in Koha Community

CVE-2026-70373

Koha's reports/issues_stats.pl (the circulation statistics report) builds its calculation query in sub calculate by concatenating several user-controlled request parameters directly into the SQL string. The PeriodTypeSel, PeriodDaySel, and PeriodMonthSel parameters are interpolated raw into single-quoted equality and function-comparison fragments, and the Filter slots plus the Line and Column identifiers are likewise interpolated with no whitelist and no placeholder binding.

Vulnerability class: SQL Injection

EPSS: 0.003 (23.5th 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 Community — versions 0, 25.05.00, 25.11.00

Weakness classification (CWE)

CWE-89 — SQL Injection

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)

Frequently asked questions

What is CVE-2026-70373?: CVE-2026-70373 is a high-severity vulnerability in Koha Community, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-08-04.
How severe is CVE-2026-70373?: High severity. CVSS v3 base score is 8.8 out of 10.