CVE-2026-4793
Summary
| CVE | CVE-2026-4793 |
|---|---|
| State | PUBLISHED |
| Assigner | synology |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-03 07:16:43 UTC |
| Updated | 2026-08-03 17:40:27 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.3 HIGH from [email protected]
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.001340000 probability, percentile 0.032980000 (date 2026-08-05)
Problem Types: CWE-276 | CWE-276 Incorrect Default Permissions
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.3 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 7.3 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
RequiredScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Synology | Synology Assistant | affected * 7.0.7-50095 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.synology.com/en-global/security/advisory/Synology_SA_26_12 | [email protected] | www.synology.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc. (en)
There are currently no legacy QID mappings associated with this CVE.