{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114125", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-20T21:53:58.472Z", "datePublished": "2026-10-21T17:08:12.102Z", "dateUpdated": "2026-10-21T17:08:12.102Z"}, "containers": {"cna": {"title": "Storybook: Missing origin validation in Storybook preview allows code injection from malicious websites", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1021", "lang": "en", "description": "CWE-1021: Improper Restriction of Rendered UI Layers or Frames", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/storybookjs/storybook/security/advisories/GHSA-f2ph-cmg5-wxc8", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/storybookjs/storybook/security/advisories/GHSA-f2ph-cmg5-wxc8"}, {"name": "https://github.com/storybookjs/storybook/pull/36726", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/pull/36726"}, {"name": "https://github.com/storybookjs/storybook/commit/243c06bf8f1e2f09446c44868ea100261e1374da", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/commit/243c06bf8f1e2f09446c44868ea100261e1374da"}, {"name": "https://github.com/storybookjs/storybook/commit/3be03ec6f11f4616471cebc3fc65c13e1bf8c178", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/commit/3be03ec6f11f4616471cebc3fc65c13e1bf8c178"}, {"name": "https://github.com/storybookjs/storybook/commit/97513d999910d071c2b36830495dab63e17d9fe0", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/commit/97513d999910d071c2b36830495dab63e17d9fe0"}, {"name": "https://github.com/storybookjs/storybook/commit/d9b09e332510a88689c71ecc081bbbc2d072476e", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/commit/d9b09e332510a88689c71ecc081bbbc2d072476e"}, {"name": "https://github.com/storybookjs/storybook/commit/df3fed468c9b4830605f00068c4bc6b7e1e215ed", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/commit/df3fed468c9b4830605f00068c4bc6b7e1e215ed"}, {"name": "https://github.com/storybookjs/storybook/releases/tag/v10.6.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/releases/tag/v10.6.2"}, {"name": "https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.6"}, {"name": "https://github.com/storybookjs/storybook/releases/tag/v8.6.19", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/releases/tag/v8.6.19"}, {"name": "https://github.com/storybookjs/storybook/releases/tag/v9.1.21", "tags": ["x_refsource_MISC"], "url": "https://github.com/storybookjs/storybook/releases/tag/v9.1.21"}], "affected": [{"vendor": "storybookjs", "product": "storybook", "versions": [{"version": ">= 8.0.0, < 8.6.19", "status": "affected"}, {"version": ">= 9.0.0, < 9.1.21", "status": "affected"}, {"version": ">= 10.0.0, < 10.6.2", "status": "affected"}, {"version": ">= 11.0.0-alpha.0, < 11.0.0-alpha.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-21T17:08:12.102Z"}, "descriptions": [{"lang": "en", "value": "Storybook is a frontend workshop for building user interface components and pages in isolation. From 8.0.0 until 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6, a malicious website can interact with the preview of a running Storybook development server. Insufficient iframe embedding and message-origin restrictions can allow attacker-controlled events to reach the running preview. A developer must visit the malicious website and interact with the injected interface. The attack can cause unauthorized changes to story files and, if a changed file is later executed by a local runtime, arbitrary code execution with the developer's privileges. This issue is fixed in 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6."}], "source": {"advisory": "GHSA-f2ph-cmg5-wxc8", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "storybook", "vendor": "storybookjs", "versions": [{"status": "affected", "version": ">= 8.0.0, < 8.6.19"}, {"status": "affected", "version": ">= 9.0.0, < 9.1.21"}, {"status": "affected", "version": ">= 10.0.0, < 10.6.2"}, {"status": "affected", "version": ">= 11.0.0-alpha.0, < 11.0.0-alpha.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Storybook is a frontend workshop for building user interface components and pages in isolation. From 8.0.0 until 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6, a malicious website can interact with the preview of a running Storybook development server. Insufficient iframe embedding and message-origin restrictions can allow attacker-controlled events to reach the running preview. A developer must visit the malicious website and interact with the injected interface. The attack can cause unauthorized changes to story files and, if a changed file is later executed by a local runtime, arbitrary code execution with the developer's privileges. This issue is fixed in 8.6.19, 9.1.21, 10.6.2, and 11.0.0-alpha.6."}], "id": "CVE-2026-114125", "lastModified": "2026-10-21T18:17:24.957", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-21T18:17:24.957", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/commit/243c06bf8f1e2f09446c44868ea100261e1374da"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/commit/3be03ec6f11f4616471cebc3fc65c13e1bf8c178"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/commit/97513d999910d071c2b36830495dab63e17d9fe0"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/commit/d9b09e332510a88689c71ecc081bbbc2d072476e"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/commit/df3fed468c9b4830605f00068c4bc6b7e1e215ed"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/pull/36726"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/releases/tag/v10.6.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/releases/tag/v11.0.0-alpha.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/releases/tag/v8.6.19"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/releases/tag/v9.1.21"}, {"source": "security-advisories@github.com", "url": "https://github.com/storybookjs/storybook/security/advisories/GHSA-f2ph-cmg5-wxc8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-346"}, {"lang": "en", "value": "CWE-1021"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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