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CVE-2026-123866

🗓️ 11 Nov 2026 18:21:18Reported by openjsType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

Use-after-free in Node.js HTTP/2 stream teardown leaks response memory to a peer.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-123866
11 Nov 202619:09
–circl
cvelist
Cvelist
CVE-2026-123866 Node.js is vulnerable to HTTP/2 response memory disclosure via a use-after-free during stream teardown
11 Nov 202618:21
–cvelist
euvd
EUVD
EUVD-2026-123687
11 Nov 202618:21
–euvd
nodejsblog
Node JS Blog
Wednesday, November 11, 2026 Security Releases
11 Nov 202600:00
–nodejsblog
nvd
NVD
CVE-2026-123866
11 Nov 202619:17
–nvd
Vulners
Node
OR
nodejsnode.jsRange<22.23.5
nodejsnode.jsRange23.0.0–24.22.3
nodejsnode.jsRange25.0.0–26.13.1
[
  {
    "vendor": "nodejs",
    "product": "node",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0.0.0",
        "status": "affected",
        "lessThan": "22.23.5",
        "versionType": "semver"
      },
      {
        "version": "23.0.0",
        "status": "affected",
        "lessThan": "24.22.3",
        "versionType": "semver"
      },
      {
        "version": "25.0.0",
        "status": "affected",
        "lessThan": "26.13.1",
        "versionType": "semver"
      }
    ]
  }
]

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11 Nov 2026 19:17Current
7.5High risk
Vulners AI Score7.5
CVSS 37.5
10