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CVE-2026-43678

🗓️ 20 Aug 2026 18:57:03Reported by appleType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

NIOWebSocket crash via single 11-byte frame after handshake drops all connections.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-43678
20 Aug 202618:57
cvelist
euvd
EUVD
EUVD-2026-63577
20 Aug 202618:57
euvd
nvd
NVD
CVE-2026-43678
20 Aug 202619:16
nvd
ptsecurity
Positive Technologies
PT-2026-79113
20 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-43678
20 Aug 202618:57
vulnrichment
Vulners
Node
appleswift-nioRange<2.101.0
[
  {
    "vendor": "Apple",
    "product": "swift-nio",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThan": "2.101.0",
        "versionType": "custom"
      }
    ]
  }
]

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20 Aug 2026 21:17Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.15.3
SSVC
4