{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-70599", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-04T19:50:27.328Z", "datePublished": "2026-08-05T15:36:02.182Z", "dateUpdated": "2026-08-05T15:36:02.182Z"}, "containers": {"cna": {"title": "Electron: Permission Check Handler Receives Main Frame Origin Instead of Requesting Iframe Origin", "problemTypes": [{"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/electron/electron/security/advisories/GHSA-9pf5-hg6p-4pwp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/electron/electron/security/advisories/GHSA-9pf5-hg6p-4pwp"}, {"name": "https://github.com/electron/electron/commit/0cbdf2f0375466d701aa393c92e0ec29eb89ea6c", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/0cbdf2f0375466d701aa393c92e0ec29eb89ea6c"}], "affected": [{"vendor": "electron", "product": "electron", "versions": [{"version": "< 39.8.7", "status": "affected"}, {"version": ">= 40.0.0-alpha.1, < 40.9.0", "status": "affected"}, {"version": ">= 41.0.0-alpha.1, < 41.2.0", "status": "affected"}, {"version": ">= 42.0.0-alpha.1, < 42.0.0-beta.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-05T15:36:02.182Z"}, "descriptions": [{"lang": "en", "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 39.8.7, 40.9.0, 41.2.0, and 42.0.0-beta.1, serial-port and media permission checks made from an iframe passed the top-level frame origin to session.setPermissionCheckHandler instead of the requesting iframe origin. Origin-based handler logic could grant a cross-origin iframe device access intended only for the top-level origin. This issue is fixed in 39.8.7, 40.9.0, 41.2.0, and 42.0.0-beta.1."}], "source": {"advisory": "GHSA-9pf5-hg6p-4pwp", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,39.8.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[40.0.0-alpha.1,40.9.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[41.0.0-alpha.1,41.2.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[42.0.0-alpha.1,42.0.0-beta.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "electron", "source": "cna", "vendor": "electron"}, "product": "electron", "vendor": "electron"}], "created": "2026-08-05T17:30:07.293874+00:00", "updated": "2026-08-05T17:30:07.293894+00:00", "vendors": ["electron", "electron$PRODUCT$electron"]}