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CVE-2026-23941 Request smuggling via first-wins Content-Length parsing in inets httpd

🗓️ 13 Mar 2026 09:11:58Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Request Smuggling in inets httpd from first-wins Content-Length handling enables desynchronization.

Related
Affected
Refs
[
  {
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unknown",
    "modules": [
      "httpd_request"
    ],
    "packageName": "inets",
    "packageURL": "pkg:otp/inets?repository_url=https:%2F%2Fgithub.com%2Ferlang%2Fotp&vcs_url=git%20https:%2F%2Fgithub.com%2Ferlang%2Fotp.git",
    "product": "OTP",
    "programFiles": [
      "src/http_server/httpd_request.erl"
    ],
    "programRoutines": [
      {
        "name": "httpd_request:parse_headers/7"
      }
    ],
    "repo": "https://github.com/erlang/otp",
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "9.6.1",
            "status": "unaffected"
          },
          {
            "at": "9.3.2.3",
            "status": "unaffected"
          },
          {
            "at": "9.1.0.5",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "5.10",
        "versionType": "otp"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unknown",
    "modules": [
      "httpd_request"
    ],
    "packageName": "erlang/otp",
    "packageURL": "pkg:github/erlang/otp",
    "product": "OTP",
    "programFiles": [
      "lib/inets/src/http_server/httpd_request.erl"
    ],
    "programRoutines": [
      {
        "name": "httpd_request:parse_headers/7"
      }
    ],
    "repo": "https://github.com/erlang/otp",
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "28.4.1",
            "status": "unaffected"
          },
          {
            "at": "27.3.4.9",
            "status": "unaffected"
          },
          {
            "at": "26.2.5.18",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "17.0",
        "versionType": "otp"
      },
      {
        "changes": [
          {
            "at": "a4b46336fd25aa100ac602eb9a627aaead7eda18",
            "status": "unaffected"
          },
          {
            "at": "a761d391d8d08316cbd7d4a86733ba932b73c45b",
            "status": "unaffected"
          },
          {
            "at": "e775a332f623851385ab6ddb866d9b150612ddf6",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "0",
        "versionType": "git"
      }
    ]
  }
]

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