{"items":[{"id":"NVI-00013004","kind":"vulnerability","title":"Electron: Sandboxed preload code cache can be poisoned by a compromised renderer","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qmv3-fv6v-rmhq","CVE-2026-102677"],"plain_summary":"GitHub lists this reviewed advisory for 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-155a8cfd06c3169d172d75e79ad092e7"],"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":"2026-09-29T18:02:02.000Z","value":"7.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-359e27dff8cf834356f30b1cab66d8b0"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.099%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.00803. Missing scores are unknown.","source_id":"sr-155a8cfd06c3169d172d75e79ad092e7"}],"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-359e27dff8cf834356f30b1cab66d8b0","url":"https://github.com/advisories/GHSA-qmv3-fv6v-rmhq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qmv3-fv6v-rmhq","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:25.558Z"},{"id":"sr-155a8cfd06c3169d172d75e79ad092e7","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-2026-102677","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.262Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-359e27dff8cf834356f30b1cab66d8b0"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\n\nThe cache Electron keeps for sandboxed preload scripts did not verify that a cached entry matched the preload it was served for. A compromised renderer could use this to run its own code in the preload context on a later load.\n\nApps are only affected if they load untrusted content. Apps that do not load untrusted content are not affected.\n\n### Workarounds\n\nThere are no app side workarounds, you must update to a patched version of Electron.\n\n### Fixed Versions\n\n* `44.0.0-beta.6`\n* `43.5.0 `\n* `42.10.0`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at security@electronjs.org","public_affected_ranges":[">= 42.3.3, < 42.10.0"]},{"certainty":"source_listed","source_ids":["sr-359e27dff8cf834356f30b1cab66d8b0"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\n\nThe cache Electron keeps for sandboxed preload scripts did not verify that a cached entry matched the preload it was served for. A compromised renderer could use this to run its own code in the preload context on a later load.\n\nApps are only affected if they load untrusted content. Apps that do not load untrusted content are not affected.\n\n### Workarounds\n\nThere are no app side workarounds, you must update to a patched version of Electron.\n\n### Fixed Versions\n\n* `44.0.0-beta.6`\n* `43.5.0 `\n* `42.10.0`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at security@electronjs.org","public_affected_ranges":[">= 43.0.0-beta.1, < 43.5.0"]},{"certainty":"source_listed","source_ids":["sr-359e27dff8cf834356f30b1cab66d8b0"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\n\nThe cache Electron keeps for sandboxed preload scripts did not verify that a cached entry matched the preload it was served for. A compromised renderer could use this to run its own code in the preload context on a later load.\n\nApps are only affected if they load untrusted content. Apps that do not load untrusted content are not affected.\n\n### Workarounds\n\nThere are no app side workarounds, you must update to a patched version of Electron.\n\n### Fixed Versions\n\n* `44.0.0-beta.6`\n* `43.5.0 `\n* `42.10.0`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at security@electronjs.org","public_affected_ranges":[">= 44.0.0-alpha.1, < 44.0.0-beta.6"]}],"null_published_at":"2026-11-03T17:49:18.498Z","source_updated_at":"2026-09-29T18:02:02.000Z","source_disclosed_at":"2026-09-29T18:02:01.000Z","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":"2026-11-01T07:24:25.558Z"},{"id":"NVI-00013004","kind":"vulnerability","title":"Electron: Sandboxed preload code cache can be poisoned by a compromised renderer","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qmv3-fv6v-rmhq","CVE-2026-102677"],"plain_summary":"GitHub lists this reviewed advisory for 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-359e27dff8cf834356f30b1cab66d8b0"],"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":"2026-09-29T18:02:02.000Z","value":"7.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-359e27dff8cf834356f30b1cab66d8b0"}],"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-359e27dff8cf834356f30b1cab66d8b0","url":"https://github.com/advisories/GHSA-qmv3-fv6v-rmhq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qmv3-fv6v-rmhq","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:25.558Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-359e27dff8cf834356f30b1cab66d8b0"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\n\nThe cache Electron keeps for sandboxed preload scripts did not verify that a cached entry matched the preload it was served for. A compromised renderer could use this to run its own code in the preload context on a later load.\n\nApps are only affected if they load untrusted content. Apps that do not load untrusted content are not affected.\n\n### Workarounds\n\nThere are no app side workarounds, you must update to a patched version of Electron.\n\n### Fixed Versions\n\n* `44.0.0-beta.6`\n* `43.5.0 `\n* `42.10.0`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at security@electronjs.org","public_affected_ranges":[">= 42.3.3, < 42.10.0"]},{"certainty":"source_listed","source_ids":["sr-359e27dff8cf834356f30b1cab66d8b0"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\n\nThe cache Electron keeps for sandboxed preload scripts did not verify that a cached entry matched the preload it was served for. A compromised renderer could use this to run its own code in the preload context on a later load.\n\nApps are only affected if they load untrusted content. Apps that do not load untrusted content are not affected.\n\n### Workarounds\n\nThere are no app side workarounds, you must update to a patched version of Electron.\n\n### Fixed Versions\n\n* `44.0.0-beta.6`\n* `43.5.0 `\n* `42.10.0`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at security@electronjs.org","public_affected_ranges":[">= 43.0.0-beta.1, < 43.5.0"]},{"certainty":"source_listed","source_ids":["sr-359e27dff8cf834356f30b1cab66d8b0"],"technology":"electron","known_exclusions":[],"conditions_summary":"### Impact\n\nThe cache Electron keeps for sandboxed preload scripts did not verify that a cached entry matched the preload it was served for. A compromised renderer could use this to run its own code in the preload context on a later load.\n\nApps are only affected if they load untrusted content. Apps that do not load untrusted content are not affected.\n\n### Workarounds\n\nThere are no app side workarounds, you must update to a patched version of Electron.\n\n### Fixed Versions\n\n* `44.0.0-beta.6`\n* `43.5.0 `\n* `42.10.0`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at security@electronjs.org","public_affected_ranges":[">= 44.0.0-alpha.1, < 44.0.0-beta.6"]}],"null_published_at":"2026-11-01T07:29:12.908Z","source_updated_at":"2026-09-29T18:02:02.000Z","source_disclosed_at":"2026-09-29T18:02:01.000Z","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":"2026-11-01T07:24:25.558Z"}],"next_cursor":null,"snapshot_revision":"42594"}