{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102674", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-29T16:10:04.075Z", "datePublished": "2026-09-29T16:51:26.963Z", "dateUpdated": "2026-09-29T17:20:35.969Z"}, "containers": {"cna": {"title": "Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions", "problemTypes": [{"descriptions": [{"cweId": "CWE-266", "lang": "en", "description": "CWE-266: Incorrect Privilege Assignment", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685"}, {"name": "https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2"}, {"name": "https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d"}, {"name": "https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886"}, {"name": "https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a"}, {"name": "https://github.com/electron/electron/releases/tag/v41.10.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v41.10.6"}, {"name": "https://github.com/electron/electron/releases/tag/v42.9.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v42.9.2"}, {"name": "https://github.com/electron/electron/releases/tag/v43.4.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v43.4.1"}, {"name": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5"}], "affected": [{"vendor": "electron", "product": "electron", "versions": [{"version": "< 41.10.6", "status": "affected"}, {"version": ">= 42.0.0-alpha.1, < 42.9.2", "status": "affected"}, {"version": ">= 43.0.0-alpha.1, < 43.4.1", "status": "affected"}, {"version": ">= 44.0.0-alpha.1, < 44.0.0-beta.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-29T16:51:26.963Z"}, "descriptions": [{"lang": "en", "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, windows opened from a sandboxed top-level document did not inherit that document's active HTML sandbox restrictions. Untrusted content in a sandboxed top-level document that was permitted to open popups could therefore create a window with the Electron application's full origin instead of the restricted origin intended by the sandbox. Applications that deny such popups with setWindowOpenHandler are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5."}], "source": {"advisory": "GHSA-gr2m-v5gq-v685", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-29T17:20:28.745285Z", "id": "CVE-2026-102674", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T17:20:35.969Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-102674", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-29T17:20:28.745285Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T17:20:32.083Z"}}], "cna": {"title": "Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions", "source": {"advisory": "GHSA-gr2m-v5gq-v685", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "electron", "product": "electron", "versions": [{"status": "affected", "version": "< 41.10.6"}, {"status": "affected", "version": ">= 42.0.0-alpha.1, < 42.9.2"}, {"status": "affected", "version": ">= 43.0.0-alpha.1, < 43.4.1"}, {"status": "affected", "version": ">= 44.0.0-alpha.1, < 44.0.0-beta.5"}]}], "references": [{"url": "https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685", "name": "https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2", "name": "https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d", "name": "https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886", "name": "https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a", "name": "https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/electron/electron/releases/tag/v41.10.6", "name": "https://github.com/electron/electron/releases/tag/v41.10.6", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/electron/electron/releases/tag/v42.9.2", "name": "https://github.com/electron/electron/releases/tag/v42.9.2", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/electron/electron/releases/tag/v43.4.1", "name": "https://github.com/electron/electron/releases/tag/v43.4.1", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5", "name": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, windows opened from a sandboxed top-level document did not inherit that document's active HTML sandbox restrictions. Untrusted content in a sandboxed top-level document that was permitted to open popups could therefore create a window with the Electron application's full origin instead of the restricted origin intended by the sandbox. Applications that deny such popups with setWindowOpenHandler are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-266", "description": "CWE-266: Incorrect Privilege Assignment"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-693", "description": "CWE-693: Protection Mechanism Failure"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-29T16:51:26.963Z"}}}, "cveMetadata": {"cveId": "CVE-2026-102674", "state": "PUBLISHED", "dateUpdated": "2026-09-29T17:20:35.969Z", "dateReserved": "2026-09-29T16:10:04.075Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-09-29T16:51:26.963Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "electron", "vendor": "electron", "versions": [{"status": "affected", "version": "< 41.10.6"}, {"status": "affected", "version": ">= 42.0.0-alpha.1, < 42.9.2"}, {"status": "affected", "version": ">= 43.0.0-alpha.1, < 43.4.1"}, {"status": "affected", "version": ">= 44.0.0-alpha.1, < 44.0.0-beta.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, windows opened from a sandboxed top-level document did not inherit that document's active HTML sandbox restrictions. Untrusted content in a sandboxed top-level document that was permitted to open popups could therefore create a window with the Electron application's full origin instead of the restricted origin intended by the sandbox. Applications that deny such popups with setWindowOpenHandler are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5."}], "id": "CVE-2026-102674", "lastModified": "2026-09-30T19:38:27.293", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-102674", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-29T17:20:28.745285Z", "version": "2.0.3"}}]}, "published": "2026-09-29T17:17:07.653", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v41.10.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v42.9.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v43.4.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/releases/tag/v44.0.0-beta.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}, {"lang": "en", "value": "CWE-693"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "electron: Electron: Sandbox bypass via popup window creation", "id": "2543316", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2543316"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N", "status": "draft"}, "cwe": "CWE-281", "details": ["Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5, windows opened from a sandboxed top-level document did not inherit that document's active HTML sandbox restrictions. Untrusted content in a sandboxed top-level document that was permitted to open popups could therefore create a window with the Electron application's full origin instead of the restricted origin intended by the sandbox. Applications that deny such popups with setWindowOpenHandler are not affected. This issue is fixed in versions 41.10.6, 42.9.2, 43.4.1, and 44.0.0-beta.5.", "A flaw was found in Electron. Windows opened from a sandboxed top-level document do not inherit that document's active sandbox restrictions. An attacker capable of delivering untrusted content to a sandboxed document can open a popup window that runs with the application's full origin rather than the restricted origin. This can lead to a sandbox bypass, allowing unauthorized access to sensitive application data or internal resources."], "mitigation": {"lang": "en:us", "value": "Applications can mitigate this vulnerability by intercepting and denying unexpected popups using setWindowOpenHandler. Returning { action: 'deny' } for unvalidated or unapproved popup requests prevents child windows from opening with the full origin context."}, "name": "CVE-2026-102674", "package_state": [{"cpe": "cpe:/a:redhat:podman_desktop:1", "fix_state": "Affected", "package_name": "rh-podman-desktop", "product_name": "Red Hat Build of Podman Desktop"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "podman-desktop", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rh-podman-desktop", "product_name": "Red Hat Enterprise Linux 10"}], "public_date": "2026-09-29T16:51:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-102674\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-102674\nhttps://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2\nhttps://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1d\nhttps://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886\nhttps://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3a\nhttps://github.com/electron/electron/releases/tag/v41.10.6\nhttps://github.com/electron/electron/releases/tag/v42.9.2\nhttps://github.com/electron/electron/releases/tag/v43.4.1\nhttps://github.com/electron/electron/releases/tag/v44.0.0-beta.5\nhttps://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685"], "statement": "A flaw was found in Electron where child windows opened from a sandboxed top-level document fail to inherit the document's active HTML sandbox restrictions. An attacker capable of delivering untrusted content to a sandboxed document that is permitted to open popups can spawn a window running under the application's full origin. This leads to a sandbox bypass, enabling unauthorized access to sensitive application data or internal resources.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,41.10.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[42.0.0-alpha.1,42.9.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[43.0.0-alpha.1,43.4.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[44.0.0-alpha.1,44.0.0-beta.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "electron", "source": "cna", "vendor": "electron"}, "product": "electron", "vendor": "electron"}], "created": "2026-09-29T23:30:19.056806+00:00", "updated": "2026-10-02T02:30:18.251961+00:00", "vendors": ["electron", "electron$PRODUCT$electron"]}