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CVE-2026-105482

🗓️ 23 Oct 2026 16:15:05Reported by hackeroneType 
cve
 cve
🔗 web.nvd.nist.gov👁 467 Views🌐 WEB

Hostnames with NUL bytes are truncated in Node.js dns.resolve*() and dns.reverse().

Related
Detection
Affected
Refs
Paths
Vulners
Node
nodejsnodeRange≤26.12.0
[
  {
    "defaultStatus": "unaffected",
    "vendor": "nodejs",
    "product": "node",
    "versions": [
      {
        "version": "22.23.3",
        "status": "affected",
        "lessThanOrEqual": "22.23.3",
        "versionType": "semver"
      },
      {
        "version": "24.22.0",
        "status": "affected",
        "lessThanOrEqual": "24.22.0",
        "versionType": "semver"
      },
      {
        "version": "26.12.0",
        "status": "affected",
        "lessThanOrEqual": "26.12.0",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
hostquery param/fetchA null byte () in the 'host' query parameter allows bypassing domain suffix allowlists. The application validates the full string (e.g., 'attacker.com.trusted.corp'), but the underlying c-ares library truncates the string at the null byte, resolving 'attacker.com' instead.CWE-287

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02 Nov 2026 16:17Current
7.2High risk
Vulners AI Score7.2
CVSS 37.4
EPSS0.00468
SSVC
467