Low severityNVD Advisory· Published Aug 5, 2026
Electron: Cross-origin iframe can position native autofill popup
CVE-2026-70600
Description
Impact
The native autofill popup could be positioned by a cross-origin iframe outside that iframe's bounds, over the embedding page's UI, enabling clickjacking or spoofing of trusted UI.
Apps are only affected if they embed untrusted content in iframes within windows that also display trusted UI. Apps that do not embed untrusted third-party content are not affected.
Workarounds
Do not embed untrusted content in iframes inside windows that display trusted UI.
Fixed
Versions * 42.0.0-beta.3 * 41.2.1 * 40.9.0 * 39.8.8
For more information
If you have any questions or comments about this advisory, email Electron at [email protected]
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
electronnpm | < 39.8.8 | 39.8.8 |
electronnpm | >= 40.0.0-alpha.1, < 40.9.1 | 40.9.1 |
electronnpm | >= 41.0.0-alpha.1, < 41.2.1 | 41.2.1 |
electronnpm | >= 42.0.0-alpha.1, < 42.0.0-beta.3 | 42.0.0-beta.3 |
Affected products
1- Range: before 42.0.0-beta.3, 41.2.1, 40.9.0, 39.8.8
Patches
Vulnerability mechanics
References
2News mentions
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