{"id":"CVE-2020-15215","aliases":["EUVD-2020-1409","GHSA-56pc-6jqp-xqj8"],"status":"published","title":"Context isolation bypass in Electron","description":"Electron before versions 11.0.0-beta.6, 10.1.2, 9.3.1 or 8.5.2 is vulnerable to a context isolation bypass. Apps using both `contextIsolation` and `sandbox: true` are affected. Apps using both `contextIsolation` and `nodeIntegrationInSubFrames: true` are affected. This is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions.","severity":{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00683,"percentile":0.52848,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-668","CWE-693"],"published":"2020-10-06T17:46:40Z","modified":"2026-10-20T10:51:53Z","exploits":[{"source":"pocgithub","id":"NishantIyer/CVE-2020-15215-Discord-POC","title":"NishantIyer/CVE-2020-15215-Discord-POC","date":"2022-05-13","url":"https://github.com/NishantIyer/CVE-2020-15215-Discord-POC"}],"fixes":[{"ecosystem":"npm","package":"electron","fixed_in":["8.5.2","9.3.1","10.1.2","11.0.0-beta.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0-beta.0"},{"fixed":"8.5.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.0.0-beta.0"},{"fixed":"9.3.1"}]}]},{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0-beta.0"},{"fixed":"10.1.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0-beta.0"},{"last_affected":"11.0.0-beta.5"},{"fixed":"11.0.0-beta.6"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0-beta.0"},{"fixed":"8.5.2"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.0-beta.0"},{"fixed":"9.3.1"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"10.0.0-beta.0"},{"fixed":"10.1.2"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"11.0.0-beta.0"},{"fixed":"11.0.0-beta.6"}]}]}],"products":[{"vendor":"electron","product":"electron"},{"vendor":"electronjs","product":"electron"}],"references":[{"url":"https://github.com/electron/electron/security/advisories/GHSA-56pc-6jqp-xqj8","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15215","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-56pc-6jqp-xqj8"}],"sources":{"cve":[{"id":"CVE-2020-15215","title":"Context isolation bypass in Electron","description":"Electron before versions 11.0.0-beta.6, 10.1.2, 9.3.1 or 8.5.2 is vulnerable to a context isolation bypass. Apps using both `contextIsolation` and `sandbox: true` are affected. Apps using both `contextIsolation` and `nodeIntegrationInSubFrames: true` are affected. This is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions.","status":"published","published":"2020-10-06T18:00:17Z","modified":"2024-08-04T13:08:22.83Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-693","CWE-668"],"updated_at":"2026-11-02T14:35:50.545879Z"}],"euvd":[{"id":"EUVD-2020-1409","description":"Electron before versions 11.0.0-beta.6, 10.1.2, 9.3.1 or 8.5.2 is vulnerable to a context isolation bypass. Apps using both `contextIsolation` and `sandbox: true` are affected. Apps using both `contextIsolation` and `nodeIntegrationInSubFrames: true` are affected. This is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions.","status":"published","published":"2020-10-06T18:00:17Z","modified":"2024-08-04T13:08:22Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:07:32.55679Z"}],"ghsa":[{"id":"GHSA-56pc-6jqp-xqj8","title":"Context isolation bypass in Electron","description":"### Impact\nApps using both `contextIsolation` and `sandbox: true` are affected.\nApps using both `contextIsolation` and `nativeWindowOpen: true` are affected.\n\nThis is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions.\n\n### Workarounds\nThere are no app-side workarounds, you must update your Electron version to be protected.\n\n### Fixed Versions\n* `11.0.0-beta.6`\n* `10.1.2`\n* `9.3.1`\n* `8.5.2`\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [security@electronjs.org](mailto:security@electronjs.org)","status":"published","published":"2020-10-06T17:46:40Z","modified":"2023-01-09T05:03:54Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-668","CWE-693"],"updated_at":"2026-11-02T14:36:07.581563Z"}],"nvd":[{"id":"CVE-2020-15215","description":"Electron before versions 11.0.0-beta.6, 10.1.2, 9.3.1 or 8.5.2 is vulnerable to a context isolation bypass. Apps using both `contextIsolation` and `sandbox: true` are affected. Apps using both `contextIsolation` and `nodeIntegrationInSubFrames: true` are affected. This is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions.","status":"published","published":"2020-10-06T18:15:14.797Z","modified":"2026-06-17T02:56:17.187Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-668","CWE-693"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"CVE-2020-15215","description":"Electron before versions 11.0.0-beta.6, 10.1.2, 9.3.1 or 8.5.2 is vulnerable to a context isolation bypass. Apps using both `contextIsolation` and `sandbox: true` are affected. Apps using both `contextIsolation` and `nodeIntegrationInSubFrames: true` are affected. This is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions.","status":"published","published":"2020-10-06T18:15:14.797Z","modified":"2026-10-20T10:51:53.044664401Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-56pc-6jqp-xqj8","title":"Context isolation bypass in Electron","description":"### Impact\nApps using both `contextIsolation` and `sandbox: true` are affected.\nApps using both `contextIsolation` and `nativeWindowOpen: true` are affected.\n\nThis is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions.\n\n### Workarounds\nThere are no app-side workarounds, you must update your Electron version to be protected.\n\n### Fixed Versions\n* `11.0.0-beta.6`\n* `10.1.2`\n* `9.3.1`\n* `8.5.2`\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email us at [security@electronjs.org](mailto:security@electronjs.org)","status":"published","published":"2020-10-06T17:46:40Z","modified":"2026-07-08T06:00:17.374350172Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-668","CWE-693"],"updated_at":"2026-11-02T15:46:37.864461Z"}]}}