Vulnerability Report

CVE-2026-32064

Title: Unauthenticated VNC access in sandbox browser

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2026-32064.

CWE Category CWE-306

Published Date Mar 21, 2026

Modified Date Mar 24, 2026

Exploit Status Not Found

Score 8.5 CVSS v4.0

Exploit Probability (EPSS)

0.51%

Vulnerability Summary

CVE-2026-32064: 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.

Impacted Vendors

openclaw 1

Reference Links

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

CVSS v4.0

Source Entity [email protected]

Severity HIGH

8.5

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.7

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-32064 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

March 24, 2026 MODIFIED

Vulnerability data updated via NVD.

March 24, 2026 MODIFIED

Vulnerability data updated via NVD.

March 23, 2026 MODIFIED

Vulnerability data updated via NVD.

March 21, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Stack

No specific products linked.