CVE-2026-102674High· 8.2▾ TwilightElectron 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…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
electron < 41.10.6electron >= 42.0.0-alpha.1, < 42.9.2electron >= 43.0.0-alpha.1, < 43.4.1electron >= 44.0.0-alpha.1, < 44.0.0-beta.5Patched in:
electron 41.10.6electron 42.9.2electron 43.4.1electron 44.0.0-beta.5Connected by shared product, vendor, weakness, or advisory.
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