Vulnerability · Published Mar 21, 2026 · Assigned by VulnCheck

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

High 7.7

In plain English

A high-severity missing authentication in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High

Exploit odds (30 days)0.5%top 55.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.2.21	GHSA-25gx-x37c-7pph

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.2.21

Weakness: CWE-306 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

GitHub Security Advisory (GHSA-25gx-x37c-7pph) vendor-advisory
Patch Commit #1 patch
Patch Commit #2 patch
VulnCheck Advisory: OpenClaw < 2026.2.21 - Missing VNC Authentication in Sandbox Browser noVNC Observer third-party-advisory