CVE-2025-8775: Qiyuesuo Electronic Signature

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was found in Qiyuesuo Eelectronic Signature Platform up to 4.34 and classified as critical. Affected by this issue is the function execute of the file /api/code/upload of the component Scheduled Task Handler. The manipulation of the argument File leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Qiyuesuo Electronic Signature: up to and including 4.34

Published 2025-08-09. Last modified 2026-06-17.