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vuln-cve/data/2026/47xxx/CVE-2026-47068.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-47068",
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"state": "PUBLISHED",
"assignerShortName": "EEF",
"dateReserved": "2026-05-18T17:28:08.321Z",
"datePublished": "2026-05-20T13:35:33.215Z",
"dateUpdated": "2026-05-27T15:41:37.339Z"
},
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://repo.hex.pm",
"cpes": [
"cpe:2.3:a:phenixdigital:phoenix_storybook:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"modules": [
"'Elixir.PhoenixStorybook.Story.ComponentIframeLive'"
],
"packageName": "phoenix_storybook",
"packageURL": "pkg:hex/phoenix_storybook",
"product": "phoenix_storybook",
"programFiles": [
"lib/phoenix_storybook/live/story/component_iframe_live.ex"
],
"programRoutines": [
{
"name": "'Elixir.PhoenixStorybook.Story.ComponentIframeLive':handle_params/3"
}
],
"repo": "https://github.com/phenixdigital/phoenix_storybook",
"vendor": "phenixdigital",
"versions": [
{
"lessThan": "1.1.0",
"status": "affected",
"version": "0.4.0",
"versionType": "semver"
}
]
},
{
"collectionURL": "https://github.com",
"cpes": [
"cpe:2.3:a:phenixdigital:phoenix_storybook:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"modules": [
"'Elixir.PhoenixStorybook.Story.ComponentIframeLive'"
],
"packageName": "phenixdigital/phoenix_storybook",
"packageURL": "pkg:github/phenixdigital/phoenix_storybook",
"product": "phoenix_storybook",
"programFiles": [
"lib/phoenix_storybook/live/story/component_iframe_live.ex"
],
"programRoutines": [
{
"name": "'Elixir.PhoenixStorybook.Story.ComponentIframeLive':handle_params/3"
}
],
"repo": "https://github.com/phenixdigital/phoenix_storybook",
"vendor": "phenixdigital",
"versions": [
{
"lessThan": "6ee03f1c738d4436dde1b066cf65c80663d489f5",
"status": "affected",
"version": "8c2c97b0f505780fee4069988bf86736f51d35d7",
"versionType": "git"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:phenixdigital:phoenix_storybook:*:*:*:*:*:*:*:*",
"versionEndExcluding": "1.1.0",
"versionStartIncluding": "0.4.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Peter Ullrich"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Christian Blavier"
},
{
"lang": "en",
"type": "analyst",
"value": "Jonatan Männchen / EEF"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Authorization Bypass Through User-Controlled Key vulnerability in phenixdigital phoenix_storybook allows cross-session PubSub topic injection via a URL query parameter.</p><p><tt>'Elixir.PhoenixStorybook.Story.ComponentIframeLive':handle_params/3</tt> in <tt>lib/phoenix_storybook/live/story/component_iframe_live.ex</tt> reads a PubSub topic directly from <tt>params[\"topic\"]</tt> and broadcasts <tt>{:component_iframe_pid, self()}</tt> on it with no check that the topic belongs to the requesting session. The shared <tt>PhoenixStorybook.PubSub</tt> is used to coordinate playground LiveViews with their iframes: a playground subscribes to a session-specific topic and uses the received iframe pid to direct subsequent control messages (variation state, theme switches, extra-assign payloads) via <tt>send/2</tt>. Because the iframe trusts the query parameter, an attacker who loads <tt>/storybook/iframe/&lt;story&gt;?topic=&lt;victim_topic&gt;</tt> causes their iframe process pid to be announced on the victim's topic. The victim's playground then addresses its private messages to the attacker's iframe process.</p><p>This issue affects phoenix_storybook from 0.4.0 before 1.1.0.</p>"
}
],
"value": "Authorization Bypass Through User-Controlled Key vulnerability in phenixdigital phoenix_storybook allows cross-session PubSub topic injection via a URL query parameter.\n\n'Elixir.PhoenixStorybook.Story.ComponentIframeLive':handle_params/3 in lib/phoenix_storybook/live/story/component_iframe_live.ex reads a PubSub topic directly from params[\"topic\"] and broadcasts {:component_iframe_pid, self()} on it with no check that the topic belongs to the requesting session. The shared PhoenixStorybook.PubSub is used to coordinate playground LiveViews with their iframes: a playground subscribes to a session-specific topic and uses the received iframe pid to direct subsequent control messages (variation state, theme switches, extra-assign payloads) via send/2. Because the iframe trusts the query parameter, an attacker who loads /storybook/iframe/<story>?topic=<victim_topic> causes their iframe process pid to be announced on the victim's topic. The victim's playground then addresses its private messages to the attacker's iframe process.\n\nThis issue affects phoenix_storybook from 0.4.0 before 1.1.0."
}
],
"impacts": [
{
"capecId": "CAPEC-12",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-12 Choosing Message Identifier"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 2.3,
"baseSeverity": "LOW",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "PASSIVE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF",
"dateUpdated": "2026-05-27T15:41:37.339Z"
},
"references": [
{
"tags": [
"vendor-advisory",
"related"
],
"url": "https://github.com/phenixdigital/phoenix_storybook/security/advisories/GHSA-mrhx-6pw9-q5fh"
},
{
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2026-47068.html"
},
{
"tags": [
"related"
],
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-47068"
},
{
"tags": [
"patch"
],
"url": "https://github.com/phenixdigital/phoenix_storybook/commit/6ee03f1c738d4436dde1b066cf65c80663d489f5"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Cross-session PubSub topic injection via URL parameter in phoenix_storybook",
"x_generator": {
"engine": "cvelib 1.8.0"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/phenixdigital/phoenix_storybook/security/advisories/GHSA-mrhx-6pw9-q5fh",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-21T13:59:23.206364Z",
"id": "CVE-2026-47068",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-21T13:59:48.062Z"
}
}
]
}
}
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