Path Traversal in Soniccloudorg Sonic-server
CVE-2026-6620
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 travers…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.001 (22.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Soniccloudorg Sonic-server — versions 2.0
Weakness classification (CWE)
References
- VDB-358255 | SonicCloudOrg sonic-server File Upload Endpoint FileTool.java upload path traversal (technical-description, vdb-entry)
- VDB-358255 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #792336 | SonicCloudOrg sonic-server 2.0.0 Injection (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-6620?
- CVE-2026-6620 is a medium-severity vulnerability in Soniccloudorg Sonic-server, classified under Path Traversal. CVSS score: 6.3/10. Published 2026-04-20.
- How severe is CVE-2026-6620?
- Medium severity. CVSS v3 base score is 6.3 out of 10.