VulnerabilityUndergoing Analysis

CVE-2026-9491

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.

MEDIUM 4.3EPSS 0.40%

Does this matter?

Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.40% probability · 34th percentile
CISA KEV: Not listed
Weakness: CWE-918
Source: security@synology.com

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_10

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.