CVE-2026-56811 Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service

[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:phoenixframework:phoenix:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Phoenix.Socket'"
    ],
    "packageName": "phoenix",
    "packageURL": "pkg:hex/phoenix",
    "product": "phoenix",
    "programFiles": [
      "lib/phoenix/socket.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Phoenix.Socket':handle_in/4"
      }
    ],
    "repo": "https://github.com/phoenixframework/phoenix",
    "vendor": "phoenixframework",
    "versions": [
      {
        "lessThan": "1.5.15",
        "status": "affected",
        "version": "0.11.0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.6.17",
        "status": "affected",
        "version": "1.6.0-rc.0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.7.24",
        "status": "affected",
        "version": "1.7.0-rc.0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.8.9",
        "status": "affected",
        "version": "1.8.0-rc.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:phoenixframework:phoenix:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Phoenix.Socket'"
    ],
    "packageName": "phoenixframework/phoenix",
    "packageURL": "pkg:github/phoenixframework/phoenix",
    "product": "phoenix",
    "programFiles": [
      "lib/phoenix/socket.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Phoenix.Socket':handle_in/4"
      }
    ],
    "repo": "https://github.com/phoenixframework/phoenix",
    "vendor": "phoenixframework",
    "versions": [
      {
        "changes": [
          {
            "at": "c498ba8cf49f6accbbd0c643a5340b58db891218",
            "status": "unaffected"
          },
          {
            "at": "d19ca0a8d9f82c130b7ed339b9f033433e2dea5e",
            "status": "unaffected"
          },
          {
            "at": "a612100cd8a4279091abc1a2ef8fb98a6d01c0a1",
            "status": "unaffected"
          },
          {
            "at": "16e295d2fccab185d1292322e2bee5d46c725c8a",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "14a297e88023cb280a577962a49a0bbdeef9f4eb",
        "versionType": "git"
      }
    ]
  }
]