CVE-2026-70373 Koha - SQL Injection in reports/issues_stats.pl
Attackers can inject SQL via circulation statistics report parameters to read or modify database contents in Koha.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-70373?
CVE-2026-70373 is a high-severity SQL injection vulnerability in Koha, published on 4 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-70373?
How do I fix CVE-2026-70373?
No fix has been published for CVE-2026-70373 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-70373 being exploited?
There is no known exploitation of CVE-2026-70373 in the wild and no public exploit code.
Sources
Also known as GHSA-wr9w-fmv5-77gm.