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CVE-2026-47073

🗓️ 25 May 2026 14:00:49Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov👁 98 Views

Hackney WebSocket client may exhaust memory via handshake buffer and fragmentation buffers.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-47073
25 May 202614:00
–attackerkb
circl
Circl
CVE-2026-47073
27 Jun 202600:35
–circl
cnnvd
CNNVD
Hackney security vulnerabilities
25 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-47073 Unbounded memory consumption in WebSocket client in hackney
25 May 202614:00
–cvelist
euvd
EUVD
EUVD-2026-31694
26 Jun 202622:00
–euvd
github
Github Security Blog
Hackney has unbounded buffer accumulation in WebSocket
26 Jun 202622:00
–github
mend
Mend
CVE-2026-47073
25 May 202614:00
–mend
nvd
NVD
CVE-2026-47073
25 May 202615:16
–nvd
osv_cve
osv_cve
CVE-2026-47073 Unbounded memory consumption in WebSocket client in hackney
25 May 202614:00
–osv_cve
osv_eef
osv_eef
EEF-CVE-2026-47073 Unbounded memory consumption in WebSocket client in hackney
25 May 202614:00
–osv_eef
Rows per page
NVD
Vulners
CNA
Node
benoitchackneyRange2.0.0–4.0.1
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:benoitc:hackney:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "hackney_ws"
    ],
    "packageName": "hackney",
    "packageURL": "pkg:hex/hackney",
    "product": "hackney",
    "programFiles": [
      "src/hackney_ws.erl"
    ],
    "programRoutines": [
      {
        "name": "hackney_ws:read_handshake_response/3"
      },
      {
        "name": "hackney_ws:parse_payload/9"
      },
      {
        "name": "hackney_ws:parse_active_payload/8"
      }
    ],
    "repo": "https://github.com/benoitc/hackney",
    "vendor": "benoitc",
    "versions": [
      {
        "lessThan": "4.0.1",
        "status": "affected",
        "version": "2.0.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:benoitc:hackney:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "hackney_ws"
    ],
    "packageName": "benoitc/hackney",
    "packageURL": "pkg:github/benoitc/hackney",
    "product": "hackney",
    "programFiles": [
      "src/hackney_ws.erl"
    ],
    "programRoutines": [
      {
        "name": "hackney_ws:read_handshake_response/3"
      },
      {
        "name": "hackney_ws:parse_payload/9"
      },
      {
        "name": "hackney_ws:parse_active_payload/8"
      }
    ],
    "repo": "https://github.com/benoitc/hackney",
    "vendor": "benoitc",
    "versions": [
      {
        "lessThan": "ce0109e2970ace6e20ff29bae9d05c3ac22ec6dc",
        "status": "affected",
        "version": "690cecaf236fba49526da404a5bc889a24367a3e",
        "versionType": "git"
      }
    ]
  }
]

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