Is CVE-2026-9491 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-9491?

CVE-2026-9491 has a CVSS v3 severity of MEDIUM (4.3).

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CVE-2026-9491

Description

A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information.