Improper access control in OpenClaw - CVE-2026-42430

 

Improper access control in OpenClaw - CVE-2026-42430

Published: April 30, 2026


Vulnerability identifier: #VU128638
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-42430
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw

Detailed vulnerability description

The vulnerability allows a remote user to reach private network targets.

The vulnerability exists due to improper access control in Playwright redirect handling when processing request-time navigation redirects. A remote user can trigger a redirect to a private target to reach private network targets.

The issue is scoped to the product's local assistant trust model.


How to mitigate CVE-2026-42430

Install security update from vendor's website.

Sources