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CVE-2026-82397

🗓️ 31 Aug 2026 21:28:13Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 109 Views🌐 WEB

Unauthenticated DoS in Tornado before 6.5.8 from urlencoded parsing without max_num_fields limit.

Related
Detection
Affected
Refs
Paths
Vulners
Node
[
  {
    "vendor": "tornadoweb",
    "product": "tornado",
    "versions": [
      {
        "version": "< 6.5.8",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
application/x-www-form-urlencoded fieldsrequest body/Tornado fails to limit the number of fields in application/x-www-form-urlencoded request bodies, allowing a Denial of Service (DoS) by sending a large number of fields to stall the event loop.CWE-1284, CWE-400

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09 Sep 2026 21:09Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.5
EPSS0.00346
SSVC
109