CVE-2026-15198 · Infrastructure
NO FIX YET · SEE WHAT TO DO
Synology DiskStation Manager has a WebDAV API that performs a critical function without requiring authentication. A remote attacker can read specific files and cause limited denial of service.
first public Nov 12, 2026 · 1 source
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DSM versions before 7.3.2-86009-5 and 7.4.1-90080-1 are affected. Systems that expose the WebDAV service to the network are the main concern; the sources do not say whether the flaw requires WebDAV to be enabled.
Not affected if patched-dsm, webdav-disabled
Who cares dsm, self-hosted, synology, webdav
7.3.2-86009-5 or 7.4.1-90080-1 or later is not affected per the sources.7.3.2-86009-5 for the 7.3 branch7.4.1-90080-1 for the 7.4 branchA missing authentication for critical functionality vulnerability in the Webdav API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers to read specific files and conduct limited denial-of-service attacks.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
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