CVE-2026-9491 — MEDIUM (4.3)

Vulnerability 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 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-918

References

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

FAQ

What is CVE-2026-9491?

CVE-2026-9491 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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.

How severe is CVE-2026-9491?

CVE-2026-9491 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9491?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.