CVE-2026-32064 PUBLISHED

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

Assigner: VulnCheck
Reserved: 10.03.2026 Published: 21.03.2026 Updated: 21.03.2026

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.

Metrics

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
CVSS Score: 8.5

Product Status

Vendor OpenClaw
Product OpenClaw
Versions Default: unaffected
  • affected from 0 to 2026.2.21 (excl.)
  • Version 2026.2.21 is unaffected

Credits

  • Rafael M (@TerminalsandCoffee) reporter

References

Problem Types

  • CWE-306 Missing Authentication for Critical Function CWE