CVE-2026-3091

An uncontrolled search path element vulnerability in Synology Presto Client before 2.1.3-0672 allows local users to read or write arbitrary files and conduct denial-of-service during installation by placing a malicious DLL in advance in the same directory as the installer.

Score

CVSS 3.1 7.3 High

Status

Analyzed - security@synology.com

Published

2026-02-24

Last modified

2026-06-02

Weaknesses

CWE-427

Affected products

• Presto Client (Synology)
• Synology Presto Client (Synology)

References

• https://www.synology.com/en-global/security/advisory/Synology_SA_26_02