Critical severity · published Mar 21, 2026
CVE-2026-32064
OpenClaw < 2026.2.21 - Missing VNC Authentication in Sandbox Browser noVNC Observer
9.1
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.2.21 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-32064
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-32064
vendor-advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-25gx-x37c-7pph
patch
https://github.com/openclaw/openclaw/commit/621d8e1312482f122f18c43c72c67211b141da01
patch
https://github.com/openclaw/openclaw/commit/8c1518f0f3e0533593cd2dec3a46c9b746753661
third-party-advisory
https://www.vulncheck.com/advisories/openclaw-missing-vnc-authentication-in-sandbox-browser-novnc-observer
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