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CVE-2026-58055

🗓️ 28 Jun 2026 01:32:57Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

CVE-2026-58055: nghttpx forwards Upgrade requests with Content-Length on keep-alive backends, enabling request smuggling.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-58055
28 Jun 202601:32
attackerkb
Cvelist
CVE-2026-58055 nghttp2 nghttpx - HTTP Request/Response Smuggling via Upgrade Request with Content-Length
28 Jun 202601:32
cvelist
EUVD
EUVD-2026-39975
28 Jun 202601:32
euvd
NVD
CVE-2026-58055
28 Jun 202602:16
nvd
Positive Technologies
PT-2026-53087
28 Jun 202600:00
ptsecurity
Vulners
CNA
Node
nghttp2nghttp2Range01.69.0
[
  {
    "vendor": "nghttp2",
    "product": "nghttp2",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "1.69.0"
      }
    ]
  }
]

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28 Jun 2026 02:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
CVSS 46.3
6