{"items":[{"id":"NVI-00015342","kind":"vulnerability","title":"Electron: contextBridge object copy honors prototype setters","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-ff2p-hmqr-hxm4","CVE-2026-70610"],"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-0cec11bbb5caf607f67e7fc0117d640d"],"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":"2026-08-05T17:41:22.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5d61f81f2726d7d40a9a8dd5aae7762a"},{"kind":"CVSS","as_of":"2026-10-08T13:53:12.030Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-024a302e751256ac3866376dec8548e7"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.564%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.4696. Missing scores are unknown.","source_id":"sr-0cec11bbb5caf607f67e7fc0117d640d"}],"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-5d61f81f2726d7d40a9a8dd5aae7762a","url":"https://github.com/advisories/GHSA-ff2p-hmqr-hxm4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-ff2p-hmqr-hxm4","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:09.980Z"},{"id":"sr-024a302e751256ac3866376dec8548e7","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70610","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-70610","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T15:08:07.832Z"},{"id":"sr-0cec11bbb5caf607f67e7fc0117d640d","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-70610","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.063Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at security@electronjs.org","public_affected_ranges":["< 39.8.9"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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, < 40.9.2"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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, < 41.2.2"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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.4"]}],"null_published_at":"2026-11-08T19:53:44.015Z","source_updated_at":"2026-08-05T17:41:22.000Z","source_disclosed_at":"2026-08-05T17:41:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-03T09:58:09.980Z"},{"id":"NVI-00015342","kind":"vulnerability","title":"Electron: contextBridge object copy honors prototype setters","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-ff2p-hmqr-hxm4","CVE-2026-70610"],"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-0cec11bbb5caf607f67e7fc0117d640d"],"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":"2026-08-05T17:41:22.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5d61f81f2726d7d40a9a8dd5aae7762a"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.564%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.4696. Missing scores are unknown.","source_id":"sr-0cec11bbb5caf607f67e7fc0117d640d"}],"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-5d61f81f2726d7d40a9a8dd5aae7762a","url":"https://github.com/advisories/GHSA-ff2p-hmqr-hxm4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-ff2p-hmqr-hxm4","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:09.980Z"},{"id":"sr-0cec11bbb5caf607f67e7fc0117d640d","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-70610","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.063Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at security@electronjs.org","public_affected_ranges":["< 39.8.9"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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, < 40.9.2"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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, < 41.2.2"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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.4"]}],"null_published_at":"2026-11-07T14:01:58.756Z","source_updated_at":"2026-08-05T17:41:22.000Z","source_disclosed_at":"2026-08-05T17:41:20.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-03T09:58:09.980Z"},{"id":"NVI-00015342","kind":"vulnerability","title":"Electron: contextBridge object copy honors prototype setters","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-ff2p-hmqr-hxm4","CVE-2026-70610"],"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-5d61f81f2726d7d40a9a8dd5aae7762a"],"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":"2026-08-05T17:41:22.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5d61f81f2726d7d40a9a8dd5aae7762a"}],"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-5d61f81f2726d7d40a9a8dd5aae7762a","url":"https://github.com/advisories/GHSA-ff2p-hmqr-hxm4","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-ff2p-hmqr-hxm4","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:09.980Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\n\n### For more information\nIf you have any questions or comments about this advisory, email Electron at security@electronjs.org","public_affected_ranges":["< 39.8.9"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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, < 40.9.2"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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, < 41.2.2"]},{"certainty":"source_listed","source_ids":["sr-5d61f81f2726d7d40a9a8dd5aae7762a"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\nObjects copied across the `contextBridge` boundary from untrusted content could carry an attacker-influenced prototype, enabling prototype-pollution-style attacks against preload code despite context isolation being enabled.\n\nApps are only affected if their preload code accepts object arguments from untrusted content and reads properties from them without own-property checks. Apps that only accept primitive arguments, or that validate object arguments, are not affected.\n\n### Workarounds\nValidate objects received from untrusted content with own-property checks (`Object.hasOwn`), or copy them onto a null-prototype object before use.\n\n### Fixed Versions\n* `42.0.0-beta.4`\n* `41.2.2`\n* `40.9.2`\n* `39.8.9`\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.4"]}],"null_published_at":"2026-11-03T10:03:26.571Z","source_updated_at":"2026-08-05T17:41:22.000Z","source_disclosed_at":"2026-08-05T17:41:20.000Z","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"}