SQL Injection in Frontaccounting
CVE-2026-40524
FrontAccounting before 2.4.20 contains a SQL injection vulnerability in the get_gl_transactions() function where the filter_type parameter is concatenated directly into a SQL IN() clause without parameterization. Attackers with SA_GLANALYTIC permission can inject arbitrary SQL by supplying a closing parenthesis followed by malicious conditions to extract sensitive journal entry data through boolean-based blind SQL injection with reliable response size differentials.
Vulnerability class: SQL Injection
EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Frontaccounting — versions 0, 647a18196caad27f96ea852e993c9e30f815357f
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-2026-40524?
- CVE-2026-40524 is a high-severity vulnerability in Frontaccounting, classified under SQL Injection. CVSS score: 8.1/10. Published 2026-06-29.
- How severe is CVE-2026-40524?
- High severity. CVSS v3 base score is 8.1 out of 10.