CVE Catalog
CVE-2026-40541
CriticalCVSS 9.0Summary
A Cross-site Scripting vulnerability in the extract domain function in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via UI interaction, to read or write arbitrary files and conduct denial-of-service attacks in DSM.
Risk Assessment
An authenticated user can access sensitive files and disrupt DSM operations.
Recommendation
Update Synology Chat Server to version 2.4.5-22148 or later.
Original NVD description (English source)
An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write arbitrary files and conduct denial-of-service attacks in DSM.