Arbitrary file upload in Kovai Biztalk360

CVE-2025-59710

An issue was discovered in Biztalk360 before 11.5. Because of incorrect access control, any user is able to request the loading a DLL file. During the loading, a method is called. An attacker can craft a malicious DLL, upload it to the server, and use it to achieve remote code execution on the server.

Vulnerability class: Unrestricted File Upload

EPSS: 0.005 (37.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-59710?
CVE-2025-59710 is a high-severity vulnerability in Kovai Biztalk360, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2026-04-03.
How severe is CVE-2025-59710?
High severity. CVSS v3 base score is 8.8 out of 10.