CVE-2026-70371 Koha - SQL Injection in reports/issues_avg_stats.pl
Attackers can inject SQL via unvalidated parameters in Koha's reporting script, allowing unauthorized data access or modification.
- 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-2026-70371?
CVE-2026-70371 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_avg_stats.pl builds dynamic SQL in sub calculate by concatenating several user-controlled request parameters directly into the query string. The Line and Column parameters are not validated against any whitelist and land verbatim in identifier positions (SELECT DISTINCTROW, GROUP BY, ORDER BY), and each Filter slot is concatenated raw into single-quoted LIKE, BETWEEN, and comparison fragments with no bound parameters.
Weakness: CWE-89
Which versions are affected by CVE-2026-70371?
How do I fix CVE-2026-70371?
No fix has been published for CVE-2026-70371 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-2026-70371 being exploited?
There is no known exploitation of CVE-2026-70371 in the wild and no public exploit code.
Sources
Also known as GHSA-24c7-g2cg-jw93.