AI agent vulnerability · OpenClaw

CVE-2026-35643: OpenClaw: Arbitrary code execution via unvalidated WebView JavascriptInterface

highCVSS 4.0 8.6 · 3.1 8.8GHSA-cxmw-p77q-wchg

Summary Android Canvas WebView pages from untrusted origins could invoke the JavascriptInterface bridge and inject instructions into the app. Affected Packages / Versions - Package: openclaw (npm) - Affected: = 2026.3.22 - Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87) - Latest published npm version checked: 2026.3.23-2 Fix Commit(s) - 8b02ef133275be96d8aac2283100016c8a7f32e5…

Published Mar 26, 2026 · Updated Apr 10, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: < 2026.3.22
Fixed in: 2026.3.22
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Summary

Android Canvas WebView pages from untrusted origins could invoke the JavascriptInterface bridge and inject instructions into the app.

Affected Packages / Versions

Package: openclaw (npm)
Affected: < 2026.3.22
Fixed: >= 2026.3.22
Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

8b02ef133275be96d8aac2283100016c8a7f32e5

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasScreen.kt now snapshots page origin and rejects untrusted bridge calls.
apps/android/app/src/main/java/ai/openclaw/app/node/CanvasActionTrust.kt centralizes trusted origin and path validation for the bridge.

OpenClaw thanks @cyjhhh for reporting.

Credited to cyjhhh.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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