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CVE-2026-9491

🗓️ 28 Aug 2026 07:07:57Reported by synologyType 
cve
 cve
🔗 web.nvd.nist.gov👁 33 Views

SSRF in webhook of Synology Chat Server before 2.4.5-22148 allows non-sensitive info disclosure.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-9491
4 Jun 202613:20
circl
cvelist
Cvelist
CVE-2026-9491
28 Aug 202607:07
cvelist
euvd
EUVD
EUVD-2026-67462
28 Aug 202607:07
euvd
nvd
NVD
CVE-2026-9491
28 Aug 202608:16
nvd
ptsecurity
Positive Technologies
PT-2026-83026
28 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-9491
28 Aug 202607:07
vulnrichment
Vulners
Node
synologychat_serverRange<2.4.5-22148
[
  {
    "vendor": "Synology",
    "product": "Synology Chat Server",
    "versions": [
      {
        "version": "*",
        "status": "affected",
        "lessThan": "2.4.5-22148",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "affected"
  }
]

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01 Sep 2026 20:54Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.3
EPSS0.004
SSVC
33