CVE-2026-35643 OpenClaw < 2026.3.22 - Arbitrary Code Execution via Unvalidated WebView JavascriptInterface

High 8.6 Published Updated

Attackers can execute arbitrary code in the OpenClaw Android app by injecting malicious JavaScript into unvalidated WebView interfaces.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-35643?

CVE-2026-35643 is a high-severity code injection vulnerability in Openclaw Openclaw, published on 10 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

OpenClaw before 2026.3.22 contains an unvalidated WebView JavascriptInterface vulnerability allowing attackers to inject arbitrary instructions. Untrusted pages can invoke the canvas bridge to execute malicious code within the Android application context.

Weakness: CWE-940

Which versions are affected by CVE-2026-35643?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

PackageAffectedFixed in
openclaw npmAll versions2026.3.22
openclaw npmAll versions2026.3.22

Products include Openclaw Openclaw.

How do I fix CVE-2026-35643?

Upgrade openclaw to 2026.3.22 or later.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-35643 being exploited?

There is no known exploitation of CVE-2026-35643 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-cxmw-p77q-wchg, MINI-mmmq-cpvc-394j.

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