What is CVE-2026-40522?

CVE-2026-40522 is a high-severity vulnerability in Frontaccounting, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-06-29.

How severe is CVE-2026-40522?

High severity. CVSS v3 base score is 7.1 out of 10.

SQL Injection in Frontaccounting

CVE-2026-40522

FrontAccounting before 2.4.20 contains a SQL injection vulnerability in the Bank Statement report handler that allows authenticated attackers to extract arbitrary database data by injecting UNION SELECT payloads into the PARAM_0 POST param…

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Frontaccounting — versions 0, 894adaf71393e0ef6a04fe6036fcd2464050f590

Weakness classification (CWE)

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-40522?: CVE-2026-40522 is a high-severity vulnerability in Frontaccounting, classified under SQL Injection. CVSS score: 7.1/10. Published 2026-06-29.
How severe is CVE-2026-40522?: High severity. CVSS v3 base score is 7.1 out of 10.