{"items":[{"id":"NVI-00015130","kind":"vulnerability","title":"Electron: Sandboxed iframes can launch external protocol handlers","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-p2rr-rvmm-c5fp","CVE-2026-70612"],"plain_summary":"GitHub lists this reviewed advisory for electron, electron, electron, electron. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-28579f2b461dbe64ec86e172432e1634"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-05T17:56:51.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-28579f2b461dbe64ec86e172432e1634"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-28579f2b461dbe64ec86e172432e1634","url":"https://github.com/advisories/GHSA-p2rr-rvmm-c5fp","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-p2rr-rvmm-c5fp","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:09.980Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-28579f2b461dbe64ec86e172432e1634"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nRequests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could cause an OS-registered external application to be launched. The frame's sandbox state was also not made available to the app's permission handlers.\n\nApps are only affected if they render untrusted content in sandboxed iframes and grant the `openExternal` permission (granted by default when no `setPermissionRequestHandler` is installed). Apps whose permission handler denies `openExternal` for untrusted content are not affected.\n\n### Workarounds\nInstall a `setPermissionRequestHandler` that denies the `openExternal` permission for untrusted content.\n\n### Fixed Versions\n* `42.0.0-beta.3`\n* `41.2.1`\n* `40.9.0`\n* `39.8.8`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at security@electronjs.org","public_affected_ranges":["< 39.8.8"]},{"certainty":"source_listed","source_ids":["sr-28579f2b461dbe64ec86e172432e1634"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nRequests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could cause an OS-registered external application to be launched. The frame's sandbox state was also not made available to the app's permission handlers.\n\nApps are only affected if they render untrusted content in sandboxed iframes and grant the `openExternal` permission (granted by default when no `setPermissionRequestHandler` is installed). Apps whose permission handler denies `openExternal` for untrusted content are not affected.\n\n### Workarounds\nInstall a `setPermissionRequestHandler` that denies the `openExternal` permission for untrusted content.\n\n### Fixed Versions\n* `42.0.0-beta.3`\n* `41.2.1`\n* `40.9.0`\n* `39.8.8`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at security@electronjs.org","public_affected_ranges":[">= 40.0.0-alpha.1, < 40.9.0"]},{"certainty":"source_listed","source_ids":["sr-28579f2b461dbe64ec86e172432e1634"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nRequests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could cause an OS-registered external application to be launched. The frame's sandbox state was also not made available to the app's permission handlers.\n\nApps are only affected if they render untrusted content in sandboxed iframes and grant the `openExternal` permission (granted by default when no `setPermissionRequestHandler` is installed). Apps whose permission handler denies `openExternal` for untrusted content are not affected.\n\n### Workarounds\nInstall a `setPermissionRequestHandler` that denies the `openExternal` permission for untrusted content.\n\n### Fixed Versions\n* `42.0.0-beta.3`\n* `41.2.1`\n* `40.9.0`\n* `39.8.8`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at security@electronjs.org","public_affected_ranges":[">= 41.0.0-alpha.1, < 41.2.1"]},{"certainty":"source_listed","source_ids":["sr-28579f2b461dbe64ec86e172432e1634"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nRequests to open external protocol URLs from web content did not take iframe sandbox restrictions into account, so a sandboxed iframe could cause an OS-registered external application to be launched. The frame's sandbox state was also not made available to the app's permission handlers.\n\nApps are only affected if they render untrusted content in sandboxed iframes and grant the `openExternal` permission (granted by default when no `setPermissionRequestHandler` is installed). Apps whose permission handler denies `openExternal` for untrusted content are not affected.\n\n### Workarounds\nInstall a `setPermissionRequestHandler` that denies the `openExternal` permission for untrusted content.\n\n### Fixed Versions\n* `42.0.0-beta.3`\n* `41.2.1`\n* `40.9.0`\n* `39.8.8`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at security@electronjs.org","public_affected_ranges":[">= 42.0.0-alpha.1, < 42.0.0-beta.3"]}],"null_published_at":"2026-11-03T10:03:26.552Z","source_updated_at":"2026-08-05T17:56:51.000Z","source_disclosed_at":"2026-08-05T17:56:50.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-03T09:58:09.980Z"}],"next_cursor":null,"snapshot_revision":"42594"}