What is CVE-2026-4793?

CVE-2026-4793 is a high-severity vulnerability in Synology Assistant, classified under Incorrect Default Permissions. CVSS score: 7.3/10. Published 2026-08-03.

How severe is CVE-2026-4793?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Synology Assistant

CVE-2026-4793

An incorrect default permissions vulnerability in Synology Assistant before 7.0.7-50095 allows local users to read or write arbitrary files and conduct denial-of-service during installation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Synology Assistant

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

security@synology.com

Frequently asked questions

What is CVE-2026-4793?: CVE-2026-4793 is a high-severity vulnerability in Synology Assistant, classified under Incorrect Default Permissions. CVSS score: 7.3/10. Published 2026-08-03.
How severe is CVE-2026-4793?: High severity. CVSS v3 base score is 7.3 out of 10.