CVE-2026-32064 HIGH

CVE-2026-32064: OpenClaw < 2026.2.21 - Missing VNC Authentication in Sandbox Browser noVNC Observer

Vendor Openclaw
Product OpenClaw
Weakness CWE-306 · Missing auth
Published March 21, 2026
Last update March 23, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

OpenClaw versions prior to 2026.2.21 sandbox browser entrypoint launches x11vnc without authentication for noVNC observer sessions, allowing unauthenticated access to the VNC interface. Remote attackers on the host loopback interface can connect to the exposed noVNC port to observe or interact with the sandbox browser without credentials.

Key dates

02Disclosure timeline

March 21, 2026 CVE published
March 23, 2026 Record updated