{"id":"CVE-2026-113796","aliases":["EUVD-2026-107368","GHSA-2p8c-gr87-2676"],"status":"published","title":"Electron: SameSite cookie restrictions are not applied to windows opened from links","description":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6, Electron treated pages opened into a new window from links as application-initiated navigations instead of preserving the page containing the link as the initiator. The resulting top-level request could be classified as same-site, causing SameSite=Strict cookies to be sent and Sec-Fetch-Site not to identify the initiating page. An application that loads untrusted content and permits it to open new windows could therefore allow that content to make a credentialed request to another site that relies on SameSite cookies for CSRF protection. This issue is fixed in versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6.","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00219,"percentile":0.12484,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2026-10-21T16:04:42Z","modified":"2026-11-11T02:48:41Z","fixes":[{"ecosystem":"npm","package":"electron","fixed_in":["45.0.0-alpha.6","44.3.0","43.7.0","42.11.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"45.0.0-alpha.1"},{"fixed":"45.0.0-alpha.6"}]}]},{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"44.0.0-alpha.1"},{"fixed":"44.3.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"43.0.0-alpha.1"},{"fixed":"43.7.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"electron","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.11.3"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"45.0.0-alpha.1"},{"fixed":"45.0.0-alpha.6"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"44.0.0-alpha.1"},{"fixed":"44.3.0"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"43.0.0-alpha.1"},{"fixed":"43.7.0"}]}]},{"source":"osv","ecosystem":"npm","package":"electron","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"42.11.3"}]}]}],"products":[{"vendor":"electron","product":"electron"}],"references":[{"url":"https://github.com/electron/electron/security/advisories/GHSA-2p8c-gr87-2676","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/electron/electron/pull/53683","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/pull/53717","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/pull/53718","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/pull/53719","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/pull/53721","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/commit/079b9b1594ee62c336adc3aa430d4c1cf62bd51e","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/commit/0e6aca0618eeae50a18cfd50548b8688820629ed","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/commit/652ef79ac79c6767b31e59b2f28d0d46114645e5","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/commit/98940cb274bb6adcb7cdb2da2d4495ac83119670","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/commit/a86ae4205ba2ba7ae60a6caa9d5d3a44321f2f9b","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/electron/electron/releases/tag/v42.11.3","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/electron/electron/releases/tag/v43.7.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/electron/electron/releases/tag/v44.3.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/electron/electron/releases/tag/v45.0.0-alpha.6","tags":["x_refsource_MISC","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113796","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2p8c-gr87-2676"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113796.json","tags":["advisory"]},{"url":"https://github.com/electron/electron","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-113796","title":"Electron: SameSite cookie restrictions are not applied to windows opened from links","description":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6, Electron treated pages opened into a new window from links as application-initiated navigations instead of preserving the page containing the link as the initiator. The resulting top-level request could be classified as same-site, causing SameSite=Strict cookies to be sent and Sec-Fetch-Site not to identify the initiating page. An application that loads untrusted content and permits it to open new windows could therefore allow that content to make a credentialed request to another site that relies on SameSite cookies for CSRF protection. This issue is fixed in versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6.","status":"published","published":"2026-10-21T16:04:42.688Z","modified":"2026-10-23T15:12:14.165Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T13:44:29.519518Z"}],"euvd":[{"id":"EUVD-2026-107368","description":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6, Electron treated pages opened into a new window from links as application-initiated navigations instead of preserving the page containing the link as the initiator. The resulting top-level request could be classified as same-site, causing SameSite=Strict cookies to be sent and Sec-Fetch-Site not to identify the initiating page. An application that loads untrusted content and permits it to open new windows could therefore allow that content to make a credentialed request to another site that relies on SameSite cookies for CSRF protection. This issue is fixed in versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6.","status":"published","published":"2026-10-21T16:04:42Z","modified":"2026-10-23T15:12:14Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:59:32.223152Z"}],"ghsa":[{"id":"GHSA-2p8c-gr87-2676","title":"Electron: SameSite cookie restrictions are not applied to windows opened from links","description":"### Impact\n\nPages opened into a new window from a link were loaded as if the app itself had navigated there rather than the page that contained the link, so the request was treated as same-site: `SameSite=Strict` cookies were sent and `Sec-Fetch-Site` did not identify the initiating page. Content shown in the app could use this to make a credentialed top-level request to another site that relies on SameSite cookies as a CSRF defence.\n\nApps are only affected if they load untrusted content and allow it to open new windows. Apps that deny new windows from untrusted content with `setWindowOpenHandler` are not affected.\n\n### Workarounds\n\nReturn `{ action: 'deny' }` from `setWindowOpenHandler` for windows opened by untrusted content.\n\n### Fixed Versions\n\n* `45.0.0-alpha.6`\n* `44.3.0`\n* `43.7.0`\n* `42.11.3`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org)","status":"published","published":"2026-10-22T16:47:54Z","modified":"2026-10-22T16:47:55Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:41:35.723785Z"}],"nvd":[{"id":"CVE-2026-113796","description":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6, Electron treated pages opened into a new window from links as application-initiated navigations instead of preserving the page containing the link as the initiator. The resulting top-level request could be classified as same-site, causing SameSite=Strict cookies to be sent and Sec-Fetch-Site not to identify the initiating page. An application that loads untrusted content and permits it to open new windows could therefore allow that content to make a credentialed request to another site that relies on SameSite cookies for CSRF protection. This issue is fixed in versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6.","status":"published","published":"2026-10-21T17:18:24.57Z","modified":"2026-10-23T15:17:24.973Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:13:02.371082Z"}],"osv":[{"id":"CVE-2026-113796","title":"Electron: SameSite cookie restrictions are not applied to windows opened from links","description":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6, Electron treated pages opened into a new window from links as application-initiated navigations instead of preserving the page containing the link as the initiator. The resulting top-level request could be classified as same-site, causing SameSite=Strict cookies to be sent and Sec-Fetch-Site not to identify the initiating page. An application that loads untrusted content and permits it to open new windows could therefore allow that content to make a credentialed request to another site that relies on SameSite cookies for CSRF protection. This issue is fixed in versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.6.","status":"published","published":"2026-10-21T16:04:42.688Z","modified":"2026-11-11T07:19:05.155242543Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-11T03:22:00.901153Z"},{"id":"GHSA-2p8c-gr87-2676","title":"Electron: SameSite cookie restrictions are not applied to windows opened from links","description":"### Impact\n\nPages opened into a new window from a link were loaded as if the app itself had navigated there rather than the page that contained the link, so the request was treated as same-site: `SameSite=Strict` cookies were sent and `Sec-Fetch-Site` did not identify the initiating page. Content shown in the app could use this to make a credentialed top-level request to another site that relies on SameSite cookies as a CSRF defence.\n\nApps are only affected if they load untrusted content and allow it to open new windows. Apps that deny new windows from untrusted content with `setWindowOpenHandler` are not affected.\n\n### Workarounds\n\nReturn `{ action: 'deny' }` from `setWindowOpenHandler` for windows opened by untrusted content.\n\n### Fixed Versions\n\n* `45.0.0-alpha.6`\n* `44.3.0`\n* `43.7.0`\n* `42.11.3`\n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@electronjs.org](mailto:security@electronjs.org)","status":"published","published":"2026-10-22T16:47:54Z","modified":"2026-10-22T17:00:04.178037719Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:34.700741Z"}]}}