CVE-2026-43575 PUBLISHED

OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route

Assigner: VulnCheck
Reserved: 01.05.2026 Published: 06.05.2026 Updated: 06.05.2026

OpenClaw versions 2026.2.21 before 2026.4.10 contain an authentication bypass vulnerability in the sandbox noVNC helper route that exposes interactive browser session credentials. Attackers can access the noVNC helper route without bridge authentication to gain unauthorized access to the interactive browser session.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	OpenClaw
Product	OpenClaw
Versions	Default: unaffected affected from 2026.2.21 to 2026.4.10 (excl.) Version 2026.4.10 is unaffected

CVE-2026-43575 PUBLISHED

OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route

Metrics

Product Status

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Problem Types