CVE-2026-40541
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.
- Published Aug 28, 2026
- CVSS 9.0 critical
- 0.5% chance of exploitation in the next 30 days (EPSS)
- A fix is available