CVE-2026-32064
OpenClaw < 2026.2.21 - Missing VNC Authentication in Sandbox Browser noVNC Observer
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
11th
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.
| CWE | CWE-306 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Mar 21, 2026 |
| Last Updated | Mar 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
OpenClaw / OpenClaw
0 < 2026.2.21
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-25gx-x37c-7pph github.com: https://github.com/openclaw/openclaw/commit/621d8e1312482f122f18c43c72c67211b141da01 github.com: https://github.com/openclaw/openclaw/commit/8c1518f0f3e0533593cd2dec3a46c9b746753661 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-missing-vnc-authentication-in-sandbox-browser-novnc-observer
Credits
🔍 Rafael M (@TerminalsandCoffee)