Synology-SA-26:12 Synology Assistant
Publish Time: UTC+8
Last Updated: UTC+8
- Severity
- Important
- Status
- Resolved
Abstract
Synology has released a security update for the Assistant on Windows to address a vulnerability :
- CVE-2026-4793 allows local users to read or write arbitrary files and conduct denial-of-service.
Please refer to the 'Affected Products' table for the corresponding updates.
Affected Products
| Product | Severity | Fixed Release Availability |
|---|---|---|
| Synology Assistant | Important | Upgrade to 7.0.7-50095 or above. |
Mitigation
None
Detail
- CVE-2026-4793
- Severity: Important
- CVSS3 Base Score: 7.3
- CVSS3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- CWE-276: Incorrect Default Permissions
- 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.
Acknowledgement
Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
Reference
Revision
| Revision | Date | Description |
|---|---|---|
| 1 | 2026-08-03 | Initial public release. |