VULNERABILITY INTELLIGENCE
CVE-2026-40541
CVSS score9 CRITICAL
EPSS probability0.49%
CISA KEVNot currently listed
Published2026-08-28
Last modified2026-09-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Description
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.
Weakness classification
- security@synology.com: CWE-79