What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-10 · updated 2026-06-17
• Weakness: CWE-940

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.

Affected products

• OpenClaw: before 2026.3.22 — fixed in 2026.3.22

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.22. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
• https://github.com/openclaw/openclaw/commit/8b02ef133275be96d8aac2283100016c8a7f32e5
• https://github.com/openclaw/openclaw/security/advisories/GHSA-cxmw-p77q-wchg
• https://www.vulncheck.com/advisories/openclaw-arbitrary-code-execution-via-unvalidated-webview-javascriptinterface

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