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CVE

CVE-2026-35643

OpenClaw: Arbitrary code execution via unvalidated WebView JavascriptInterface
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CVE

CVE-2026-35643

OpenClaw: Arbitrary code execution via unvalidated WebView JavascriptInterface

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.6
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
C
H
U
8.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Related Resources

No items found.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-cxmw-p77q-wchg, https://nvd.nist.gov/vuln/detail/CVE-2026-35643, https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87, https://github.com/openclaw/openclaw/commit/8b02ef133275be96d8aac2283100016c8a7f32e5, https://github.com/openclaw/openclaw, https://www.vulncheck.com/advisories/openclaw-arbitrary-code-execution-via-unvalidated-webview-javascriptinterface

Severity

8.8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.8
EPSS Probability
0.00046%
EPSS Percentile
0.14446%
Introduced Version
0,2026.1.29-beta.1,2026.1.27-beta.1
Fix Available
2026.3.22,2026.3.22-beta.1

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