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.
History

Sat, 21 Mar 2026 05:30:00 +0000

Type Values Removed Values Added
Description 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.
Title OpenClaw < 2026.2.21 - Missing VNC Authentication in Sandbox Browser noVNC Observer
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-306
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.5, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-03-21T00:42:29.289Z

Updated: 2026-03-21T00:42:29.289Z

Reserved: 2026-03-10T19:52:06.167Z

Link: CVE-2026-32064

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-21T01:17:09.697

Modified: 2026-03-21T01:17:09.697

Link: CVE-2026-32064

cve-icon Redhat

No data.