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Fencer Intel
medium 6.5

CVE-2026-15198 json

A missing authentication for critical functionality vulnerability in the Webdav API in Synology DiskStation Manager (DSM) before 7.3.2-8600…

published 6h ago modified 6h ago also EUVD-2026-124189

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
—
no EPSS score yet
public exploits
0
none known

Summary

A 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.

Patch / fix

  • Synology DiskStation Manager (DSM) 7.3.2-86009-5, 7.4.1-90080-1

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CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Affected products

  • Synology DiskStation Manager (DSM)

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.