{
    "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"
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                    }
                ],
                "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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        ]
    }
}