Vulnerability · Published Sep 18, 2026 · Assigned by synology

CVE-2026-13635

Medium 5.3

In plain English

A medium-severity security flaw in DiskStation Manager (DSM) from Synology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 65.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An improper encoding or escaping of output vulnerability in Auth API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to obtain non-sensitive information.

Affected products (as reported)

VendorProductVersions
Synology DiskStation Manager (DSM) 7.4 – before 7.4-900757.3.2 – before 7.3.2-86009-47.2.2 – before 7.2.2-72806-97.2.1 – before 7.2.1-69057-12

Weakness: CWE-116 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References