{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102676", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T16:10:04.075Z", "datePublished": "2026-09-29T16:56:49.007Z", "dateUpdated": "2026-09-29T16:56:49.007Z"}, "containers": {"cna": {"title": "Electron: <webview> can enable Node.js integration in Web Workers despite embedder restrictions", "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "lang": "en", "description": "CWE-269: Improper Privilege Management", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1188", "lang": "en", "description": "CWE-1188: Insecure Default Initialization of Resource", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/electron/electron/security/advisories/GHSA-9qh4-3jw8-366w", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/electron/electron/security/advisories/GHSA-9qh4-3jw8-366w"}, {"name": "https://github.com/electron/electron/commit/6462a2e1dc4e6adffd3b7d9b9be1474c45dcbbe2", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/6462a2e1dc4e6adffd3b7d9b9be1474c45dcbbe2"}, {"name": "https://github.com/electron/electron/commit/9a675aef8822bae4088567822969f900b3a37671", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/9a675aef8822bae4088567822969f900b3a37671"}, {"name": "https://github.com/electron/electron/commit/b3ae0aab5cf81c2ed03d04df1ae8e69ecfab7886", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/b3ae0aab5cf81c2ed03d04df1ae8e69ecfab7886"}, {"name": "https://github.com/electron/electron/commit/cd34f335c8664613db5b6e61ae51e2e1846233ae", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/cd34f335c8664613db5b6e61ae51e2e1846233ae"}, {"name": "https://github.com/electron/electron/releases/tag/v41.10.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v41.10.6"}, {"name": "https://github.com/electron/electron/releases/tag/v42.9.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v42.9.2"}, {"name": "https://github.com/electron/electron/releases/tag/v43.4.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v43.4.1"}, {"name": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5"}], "affected": [{"vendor": "electron", "product": "electron", "versions": [{"version": "< 41.10.6", "status": "affected"}, {"version": ">= 42.0.0-alpha.1, < 42.9.2", "status": "affected"}, {"version": ">= 43.0.0-alpha.1, < 43.4.1", "status": "affected"}, {"version": ">= 44.0.0-alpha.1, < 44.0.0-beta.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-29T16:56:49.007Z"}, "descriptions": [{"lang": "en", "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, an Electron <webview> guest could enable nodeIntegrationInWorker for its Web Workers even when the unsandboxed embedder had Node.js integration disabled, allowing untrusted guest content to create a Node-enabled worker with more privilege than the embedder granted. Applications that do not enable the <webview> tag or that keep the embedder sandboxed are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5."}], "source": {"advisory": "GHSA-9qh4-3jw8-366w", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "electron", "vendor": "electron", "versions": [{"status": "affected", "version": "< 41.10.6"}, {"status": "affected", "version": ">= 42.0.0-alpha.1, < 42.9.2"}, {"status": "affected", "version": ">= 43.0.0-alpha.1, < 43.4.1"}, {"status": "affected", "version": ">= 44.0.0-alpha.1, < 44.0.0-beta.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, an Electron <webview> guest could enable nodeIntegrationInWorker for its Web Workers even when the unsandboxed embedder had Node.js integration disabled, allowing untrusted guest content to create a Node-enabled worker with more privilege than the embedder granted. Applications that do not enable the <webview> tag or that keep the embedder sandboxed are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5."}], "id": "CVE-2026-102676", "lastModified": "2026-09-29T17:17:07.973", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-29T17:17:07.973", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/6462a2e1dc4e6adffd3b7d9b9be1474c45dcbbe2"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/9a675aef8822bae4088567822969f900b3a37671"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/b3ae0aab5cf81c2ed03d04df1ae8e69ecfab7886"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/cd34f335c8664613db5b6e61ae51e2e1846233ae"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v41.10.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v42.9.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v43.4.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/security/advisories/GHSA-9qh4-3jw8-366w"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}, {"lang": "en", "value": "CWE-1188"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}