CVE-2026-44698

CVE-2026-44698 affects the Home Assistant Companion apps for Android and iOS, where a JavaScript bridge exposed to in-app WebView could be reached by all frames. The root cause is the bridge exposure along with unsanitized interpolation of the JavaScript callback identifier, allowing a cross-orig...

CVE-2026-44698 Home Assistant: Cross-origin iframe access token exfiltration via WebView JS bridge callback injection

Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2026.4.1 for iOS and 2026.4.4 for Android, he Home Assistant Companion apps for Android and iOS expose a JavaScript bridge to the in-app WebView window.externalApp on Android and...

CVE-2026-44698 Home Assistant: Cross-origin iframe access token exfiltration via WebView JS bridge callback injection

Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2026.4.1 for iOS and 2026.4.4 for Android, he Home Assistant Companion apps for Android and iOS expose a JavaScript bridge to the in-app WebView window.externalApp on Android and...