CVE-2026-18596
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
An authentication bypass using an alternate path or channel vulnerability in the OTP in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers with valid user credentials to read or write arbitrary files and conduct denial-of-service attacks.
| CWE | CWE-288 |
| Vendor | synology |
| Product | diskstation manager (dsm) |
| Published | Nov 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Synology / DiskStation Manager (DSM)
7.4.1 < 7.4.1-90080-1 7.3.2 < 7.3.2-86009-5
References
Credits
N/A