CVE-2026-35643CWE-940

OpenClaw < 2026.3.22 - Arbitrary Code Execution via Unvalidated WebView JavascriptInterface

High · published April 10, 2026

CVSS v4.0
8.6
EPSS
1%
Percentile
44.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
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
EPSS
0.00538 · 44.5th percentile
Weakness
CWE-940 · Improper Verification of Source of a Communication Channel
Published
2026-04-10T16:03Z
EPSS history
Timeline
  • 10 APR 16:03Z
    OpenClaw < 2026.3.22 - Arbitrary Code Execution via Unvalidated WebView JavascriptInterface
    cvelistv5