CVE-2026-9491
MEDIUM
4.3
CVSS Score
Published: August 28, 2026 at 07:07 AM UTC
Updated: September 1, 2026 at 09:11 PM UTC
1 product affected across 1 vendorChat
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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.4.5-22148
Affected range stops below 2.4.5-22148, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
Vendor Advisory
Source: cverecord
https://www.synology.com/en-global/security/advisory/Synology_SA_26_10SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
4.3MEDIUMsynology
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusUNDERGOING ANALYSIS
CWE
CWE-918
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