Improper Verification of Source of a Communication Channel in OpenClaw - #VU125182
Published: April 8, 2026
Vulnerability identifier: #VU125182
CSH Severity: High
CVSS v4.0: 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:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-940
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary instructions in the app.
The vulnerability exists due to improper verification of source of a communication channel in the Android canvas WebView JavascriptInterface bridge when handling pages from untrusted origins. A remote attacker can load an attacker-controlled page that invokes the bridge to execute arbitrary instructions in the app.
Remediation
Install security update from vendor's website.