CVE-2026-55644

CVE-2026-55644 · Element X iOS: io.element.call deeplink allows attacker-controlled HTTPS origin and may grant mic/camera to that origin

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Element X iOS is a Matrix iOS Client provided by Element. Element X iOS before version 26.05.0 fails to check the URL allowlist when parsing io.element.call://. If an attacker is able to trick the user into opening a maliciously crafted io.element.call:// URL, they are able to load an attacker-controlled origin inside the call screen's WKWebView which will be granted device microphone and camera permissions (provided the user has previously granted these permissions to Element X iOS). This issue has been patched in version 26.05.0.

CVSS 5.1 · Moyenne · EPSS 0,4%

Publication

2026-10-19T17:54:58.499Z

Mise à jour

2026-10-22T20:55:32.146Z

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