Is CVE-2026-6620 actively exploited?

No active exploitation of CVE-2026-6620 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-6620 be exploited remotely?

Yes. CVE-2026-6620 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-6620?

CVE-2026-6620 has a CVSS score of 6.3 (MEDIUM).

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MEDIUM

CVE-2026-6620

CWE-22Published: April 20, 2026· Updated: Apr 22, 2026

6.3

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:17.9th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-6620 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.