CVE-2026-85101

HIGH8.6

Published 2026-11-12 · Source security@synology.com

Description

An authentication bypass using an alternate path or channel vulnerability in the rsync in Synology DiskStation Manager (DSM) before 7.2.1-69057-13, 7.2.2-72806-10, 7.3.2-86009-5, and 7.4.1-90080-1 allows remote attackers to read specific files, write arbitrary files, and conduct limited denial-of-service attacks.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

CWE-288

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_19

View on NVD

Related CVEs

Same severity, most recent

CVE-2026-81584
An improper neutralization of special elements used in an SQL command vulnerability in the User API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers with control over a compromised LDAP or Active Directory server to read or write arbitrary files and conduct denial-of-service attacks.
2026-11-12 · score 8.1
CVE-2026-75785
An improper neutralization of special elements used in an OS command vulnerability in the VPN API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users with administrator privileges to read or write arbitrary files and conduct denial-of-service attacks.
2026-11-12 · score 7.2
CVE-2026-74857
A missing critical step in authentication vulnerability in the Auth API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks.
2026-11-12 · score 8.8
CVE-2026-19048
An improper link resolution before file access vulnerability in the thumb in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to write arbitrary files and conduct denial-of-service attacks.
2026-11-12 · score 8.1
CVE-2026-18792
An improper limitation of a pathname to a restricted directory vulnerability in the Sharing API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks.
2026-11-12 · score 8.8