Vulnerability record/PUBLISHED/Published Nov 12, 2026 03:36:21 UTC

CVE-2026-19833

A missing authorization vulnerability in the ACL 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 specific files.

Base score5.4/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorNetworkAV

Attack complexityLowAC

Privileges requiredLowPR

User interactionNoneUI

ScopeUnchangedS

Confidentiality impactLowC

Integrity impactLowI

Availability impactNoneA

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

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authoritysynology

Last updatedNov 12, 2026 03:36:21 UTC

PublishedNov 12, 2026 03:36:21 UTC

ReservedAug 14, 2026 07:36:30 UTC

Credits

Warisse Valentin (Aytio)