CVE-2026-70370: SQL Injection (CVSS 8.8)

Description

Koha's reports/catalogue_stats.pl builds dynamic SQL in sub calculate by interpolating the user-controlled Line and Column request parameters directly into identifier positions of the query (SELECT DISTINCTROW, GROUP BY, ORDER BY) with no whitelist validation. When Line contains itemcallnumber and the cotedigits parameter is truthy, cotedigits is additionally concatenated raw as the numeric argument of a LEFT() call. An authenticated staff user holding the reports module permission can inject arbitrary SQL and read any table reachable by the Koha database user, including borrowers (password hashes, two-factor secrets, personal data), api_keys, and sessions.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.17%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-89 SQL Injection

References

Other References

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=42363 https://download.koha-community.org/koha-25.05.12.tar.gz https://koha-community.org/koha-25-05-12-released/

Frequently Asked Questions

What is CVE-2026-70370? +

Koha's reports/catalogue_stats.pl builds dynamic SQL in sub calculate by interpolating the user-controlled Line and Column request parameters directly into identifier positions of the query (SELECT DISTINCTROW, GROUP BY, ORDER BY) with no whitelist validation. When Line contains itemcallnumber and the cotedigits parameter is truthy, cotedigits is additionally concatenated raw as the numeric argument of a LEFT() call. An authenticated staff user holding the reports module permission can inject arbitrary SQL and read any table reachable by the Koha database user, including borrowers (password hashes, two-factor secrets, personal data), api_keys, and sessions. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-70370? +

CVE-2026-70370 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-70370? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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