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TI-2026-04180 Aliases CVE-2026-4793GHSA-x8pf-pjxr-ccfw

Incorrect default permissions in Synology Assistant

Priority LOW 33CWE-276Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00149 4th percentileScored 2026-11-08
Fix Fixed Synology Assistant (Synology): 7.0.7-50095

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SynologySynology Assistantbefore 7.0.7-500957.0.7-50095Patch availableCNA
  • Synology Assistant VendorSynology Affected before 7.0.7-50095 Fixed in 7.0.7-50095 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:synology:assistant:*:*:*:*:*:*:*:*before 7.0.7-50095VulnerableSynology
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:synology:assistant:*:*:*:*:*:*:*:* Versions before 7.0.7-50095 Vulnerable ·Synology
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

  • Fix · CNA Synology Assistant (Synology) Fixed in 7.0.7-50095

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4793
  2. 2026-10-03 Alias added: GHSA-x8pf-pjxr-ccfw

References

Advisory 1

  • TI-2017-08217 Multiple untrusted search path vulnerabilities in installer in Synology Assistant before… CVSS 3.0HIGH 7.8
  • TI-2025-40997 Origin validation error in Synology Assistant CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences