CVE-2026-30404: Wgstart Wgcloud

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The backend database management connection test feature in wgcloud v3.6.3 has a server-side request forgery (SSRF) vulnerability. This issue can be exploited to make the server send requests to probe the internal network, remotely download malicious files, and perform other dangerous operations.

Affected products

• Wgstart Wgcloud: up to and including 3.6.3

Published 2026-03-19. Last modified 2026-06-17.