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CVE-2026-35643 — Vulnerability in openclaw — CVE Details

HIGH

OpenClaw: Arbitrary code execution via unvalidated WebView JavascriptInterface

Published March 26, 2026Updated April 10, 2026Source: osv

Summary

## 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.

Advisory Timeline

  • First published March 26, 2026 (200 days ago).
  • Last revised April 10, 2026 — 15 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

npm
Update openclaw to 2026.3.22 or later
npm install openclaw@2026.3.22

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: npm (1).

PackageEcosystemAffectedFixed In
openclaw
npm
All versions2026.3.22

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2026-35643?
OpenClaw: Arbitrary code execution via unvalidated WebView JavascriptInterface This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2026-35643?
CVE-2026-35643 affects openclaw. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-35643 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-cxmw-p77q-wchg

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