CVE-2026-4793: Incorrect Default Permissions in Synology Synology Assistant
CVE-2026-4793 is a high-severity vulnerability in Synology Assistant prior to version 7.0.7-50095. It involves incorrect default permissions that allow local users to read or write arbitrary files and cause denial-of-service during installation. The vulnerability requires local access and user interaction to exploit. No official patch or remediation guidance is currently confirmed.
AI Analysis
Technical Summary
This vulnerability in Synology Assistant before 7.0.7-50095 arises from incorrect default permissions settings. It permits local users with limited privileges to read or write arbitrary files, potentially leading to data compromise or denial-of-service conditions during the software installation process. The CVSS 3.1 base score is 7.3, reflecting high impact on confidentiality, integrity, and availability. The attack vector is local with low complexity and requires user interaction.
Potential Impact
Successful exploitation allows local users to access or modify arbitrary files, which can compromise system confidentiality and integrity. Additionally, it can cause denial-of-service during installation, impacting availability. The vulnerability affects local users with limited privileges and requires user interaction, limiting remote exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local user access to systems running vulnerable versions and avoid running the installation process with untrusted local users.
CVE-2026-4793: Incorrect Default Permissions in Synology Synology Assistant
Description
CVE-2026-4793 is a high-severity vulnerability in Synology Assistant prior to version 7.0.7-50095. It involves incorrect default permissions that allow local users to read or write arbitrary files and cause denial-of-service during installation. The vulnerability requires local access and user interaction to exploit. No official patch or remediation guidance is currently confirmed.
CVSS v3.1
Score 7.3high
Affected software
Synology
Synology Assistant
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Synology Assistant before 7.0.7-50095 arises from incorrect default permissions settings. It permits local users with limited privileges to read or write arbitrary files, potentially leading to data compromise or denial-of-service conditions during the software installation process. The CVSS 3.1 base score is 7.3, reflecting high impact on confidentiality, integrity, and availability. The attack vector is local with low complexity and requires user interaction.
Potential Impact
Successful exploitation allows local users to access or modify arbitrary files, which can compromise system confidentiality and integrity. Additionally, it can cause denial-of-service during installation, impacting availability. The vulnerability affects local users with limited privileges and requires user interaction, limiting remote exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local user access to systems running vulnerable versions and avoid running the installation process with untrusted local users.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- synology
- Date Reserved
- 2026-03-25T00:47:20.775Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a703651bf32cb7a34183228
Added to database: 08/03/2026, 06:33:53 UTC
Last enriched: 08/10/2026, 15:18:55 UTC
Last updated: 09/18/2026, 02:36:23 UTC
Views: 62
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