CVE-2026-6620: Soniccloudorg Sonic-Server

Medium severity, CVSS 6.3. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability was found in SonicCloudOrg sonic-server up to 2.0.0. The affected element is the function Upload of the file FileTool.java of the component File Upload Endpoint. The manipulation of the argument Type results in path traversal. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Soniccloudorg Sonic-Server: version 2.0 only

Published 2026-04-20. Last modified 2026-06-17.