CVE-2026-4793 PUBLISHED

Assigner: synology
Reserved: 25.03.2026 Published: 03.08.2026 Updated: 03.08.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS Score: 7.3

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Synology
Product	Synology Assistant
Versions	Default: affected affected from * to 7.0.7-50095 (excl.)

Credits

Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc. finder

References

Synology-SA-26:12 Synology Assistant

Problem Types

Incorrect Default Permissions CWE