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CVE-2026-8469 Unauthenticated denial-of-service via BEAM atom table exhaustion in phoenix_storybook

🗓️ 20 May 2026 13:35:27Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Unauthenticated DoS in phoenix_storybook due to unvalidated atom creation exhausting BEAM atom table.

Related
Affected
Refs
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:phenixdigital:phoenix_storybook:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.PhoenixStorybook.ExtraAssignsHelpers",
      "Elixir.PhoenixStorybook.Story.Playground"
    ],
    "packageName": "phoenix_storybook",
    "packageURL": "pkg:hex/phoenix_storybook",
    "product": "phoenix_storybook",
    "programFiles": [
      "lib/phoenix_storybook/helpers/extra_assigns_helpers.ex",
      "lib/phx_live_storybook/live/entry_live.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':handle_set_variation_assign/3"
      },
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':handle_toggle_variation_assign/3"
      },
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':to_variation_id/2"
      },
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':to_value/4"
      }
    ],
    "repo": "https://github.com/phenixdigital/phoenix_storybook",
    "vendor": "phenixdigital",
    "versions": [
      {
        "lessThan": "1.1.0",
        "status": "affected",
        "version": "0.2.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:phenixdigital:phoenix_storybook:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.PhoenixStorybook.ExtraAssignsHelpers",
      "Elixir.PhoenixStorybook.Story.Playground"
    ],
    "packageName": "phenixdigital/phoenix_storybook",
    "packageURL": "pkg:github/phenixdigital/phoenix_storybook",
    "product": "phoenix_storybook",
    "programFiles": [
      "lib/phoenix_storybook/helpers/extra_assigns_helpers.ex",
      "lib/phx_live_storybook/live/entry_live.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':handle_set_variation_assign/3"
      },
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':handle_toggle_variation_assign/3"
      },
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':to_variation_id/2"
      },
      {
        "name": "'Elixir.PhoenixStorybook.ExtraAssignsHelpers':to_value/4"
      }
    ],
    "repo": "https://github.com/phenixdigital/phoenix_storybook",
    "vendor": "phenixdigital",
    "versions": [
      {
        "lessThan": "96d524690af0fe197a49f60d18e564a620b9ef81",
        "status": "affected",
        "version": "0228669d55c23a754d1ef11f49a32121129d5395",
        "versionType": "git"
      }
    ]
  }
]

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