CVE-2026-40541
- State
- Published
- Severity
- 9.0 Critical
- Published
- Aug 28, 2026
- Updated
- Aug 28, 2026
- Reserved
- Apr 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.0 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H | synology |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Synology Chat ServerSynology |
|
References
- Synology-SA-26:10 Synology Chat Servervendor-advisory
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