Input validation error in OpenClaw - CVE-2026-41372
Published: April 30, 2026
Vulnerability identifier: #VU128637
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-2026-41372
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper input validation in remote CDP discovery host normalization when processing discovery responses. A remote user can return a crafted discovery response with a trailing-dot localhost host to disclose sensitive information.
Exploitation can retarget authenticated browser control to a localhost-resolving endpoint on the OpenClaw host.
How to mitigate CVE-2026-41372
Install security update from vendor's website.