EXPOSURES › CVE-2026-40541

▸ RECOMMENDED ACTION  Critical severity — schedule patching of the affected products.

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.