CVE-2017-15886: Synology Chat

Medium severity, CVSS 6.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Server-side request forgery (SSRF) vulnerability in Link Preview in Synology Chat before 2.0.0-1124 allows remote authenticated users to download arbitrary local files via a crafted URI.

Affected products

• Synology Chat: before 2.0.0-1124 (fixed in 2.0.0-1124)

Published 2017-12-28. Last modified 2026-06-17.