CVE-2026-102674Electron: Windows opened from a sandboxed top-level document do not inherit its sandbox restrictions
Updated under an hour ago ()
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It affects electron and 1 other product. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.27%, higher than 17% of scored CVEs.
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Free account, 1 product
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.
- CVSS
- 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
- Weakness (CWE)
- CWE-266, CWE-693
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.27% (percentile 17)
- Assigned by
- GitHub_M
- NVD analysis
- Analyzed
- Record last updated
- Sep 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
electron electron electron:electron (from the name) | before 41.10.6; from 42.0.0-alpha.1, < 42.9.2; from 43.0.0-alpha.1, < 43.4.1; from 44.0.0-alpha.1, < 44.0.0-beta.5 | CNA record |
electronjs electron electronjs:electron | before 41.10.6; from 42.0.0 before 42.9.2; from 43.0.0 before 43.4.1; 44.0.0; 44.0.0; 44.0.0; 44.0.0; 44.0.0; and 8 more ranges | NVD |
References
- https://github.com/electron/electron/security/advisories/GHSA-gr2m-v5gq-v685x-refsource-confirm, vendor-advisory
- https://github.com/electron/electron/commit/29fc130569f970e91e355383821a4af0f25724a2x-refsource-misc, patch
- https://github.com/electron/electron/commit/3ecf3e74f4be6e2360644679b0b4698742be0e1dx-refsource-misc, patch
- https://github.com/electron/electron/commit/6594d5a5b074cf501da084dc7908d3df0d68a886x-refsource-misc, patch
- https://github.com/electron/electron/commit/e9c4d3cbe912e18d7c63af78e63e98ae7a48cd3ax-refsource-misc, patch
- https://github.com/electron/electron/releases/tag/v41.10.6x-refsource-misc, release-notes
- https://github.com/electron/electron/releases/tag/v42.9.2x-refsource-misc, release-notes
- https://github.com/electron/electron/releases/tag/v43.4.1x-refsource-misc, release-notes
- https://github.com/electron/electron/releases/tag/v44.0.0-beta.5x-refsource-misc, release-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.