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CVE-2026-8467

🗓️ 20 May 2026 13:35:29Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 3 Media mentions👁 181 Views🌐 WEB

Unauthenticated remote code execution via HEEx template injection in phoenix_storybook playground.

Related
Detection
Affected
Refs
Paths
Social
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-8467
27 Oct 202616:51
–githubexploit
attackerkb
attackerkb
CVE-2026-8467
20 May 202613:35
–attackerkb
circl
Circl
CVE-2026-8467
20 May 202611:02
–circl
cnnvd
CNNVD
PhoenixStorybook Code Injection Vulnerability
20 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-8467 Unauthenticated remote code execution via HEEx template injection in phoenix_storybook playground
20 May 202613:35
–cvelist
euvd
EUVD
EUVD-2026-31112
9 Jun 202621:58
–euvd
github
Github Security Blog
PhoenixStorybook: Unauthenticated remote code execution via HEEx template injection in phoenix_storybook playground
9 Jun 202621:58
–github
kitploit
Kitploit
CVE-2026-8467
26 Oct 202618:39
–kitploit
mend
Mend
CVE-2026-8467
20 May 202613:35
–mend
nvd
NVD
CVE-2026-8467
20 May 202614:17
–nvd
Rows per page
Vulners
CNA
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:phenixdigital:phoenix_storybook:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.PhoenixStorybook.Rendering.ComponentRenderer",
      "Elixir.PhoenixStorybook.Story.PlaygroundPreviewLive",
      "Elixir.PhoenixStorybook.Helpers.ExtraAssignsHelpers"
    ],
    "packageName": "phoenix_storybook",
    "packageURL": "pkg:hex/phoenix_storybook",
    "product": "phoenix_storybook",
    "programFiles": [
      "lib/phoenix_storybook/rendering/component_renderer.ex",
      "lib/phoenix_storybook/live/story/playground_preview_live.ex",
      "lib/phoenix_storybook/helpers/extra_assigns_helpers.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.PhoenixStorybook.Rendering.ComponentRenderer':attributes_markup/1"
      },
      {
        "name": "'Elixir.PhoenixStorybook.Story.PlaygroundPreviewLive':handle_event/3"
      },
      {
        "name": "'Elixir.PhoenixStorybook.Helpers.ExtraAssignsHelpers':handle_set_variation_assign/3"
      }
    ],
    "repo": "https://github.com/phenixdigital/phoenix_storybook",
    "vendor": "phenixdigital",
    "versions": [
      {
        "lessThan": "1.1.0",
        "status": "affected",
        "version": "0.5.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:phenixdigital:phoenix_storybook:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.PhoenixStorybook.Rendering.ComponentRenderer",
      "Elixir.PhoenixStorybook.Story.PlaygroundPreviewLive",
      "Elixir.PhoenixStorybook.Helpers.ExtraAssignsHelpers"
    ],
    "packageName": "phenixdigital/phoenix_storybook",
    "packageURL": "pkg:github/phenixdigital/phoenix_storybook",
    "product": "phoenix_storybook",
    "programFiles": [
      "lib/phoenix_storybook/rendering/component_renderer.ex",
      "lib/phoenix_storybook/live/story/playground_preview_live.ex",
      "lib/phoenix_storybook/helpers/extra_assigns_helpers.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.PhoenixStorybook.Rendering.ComponentRenderer':attributes_markup/1"
      },
      {
        "name": "'Elixir.PhoenixStorybook.Story.PlaygroundPreviewLive':handle_event/3"
      },
      {
        "name": "'Elixir.PhoenixStorybook.Helpers.ExtraAssignsHelpers':handle_set_variation_assign/3"
      }
    ],
    "repo": "https://github.com/phenixdigital/phoenix_storybook",
    "vendor": "phenixdigital",
    "versions": [
      {
        "lessThan": "56ab8464d4375fa52db806148a06cce126ad481d",
        "status": "affected",
        "version": "e35379dfe2ef1a71b141899e36f431017c55265d",
        "versionType": "git"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
attribute namesrequest body/psb-assignUnsanitized attribute names and values in the psb-assign WebSocket event handler are interpolated into HEEx templates without escaping, leading to remote code execution.CWE-94
attribute valuesrequest body/psb-assignUnsanitized attribute names and values in the psb-assign WebSocket event handler are interpolated into HEEx templates without escaping, leading to remote code execution.CWE-94

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23 Jul 2026 12:10Current
6.8Medium risk
Vulners AI Score6.8
CVSS 49.5
EPSS0.02111
SSVC
181