CVE-2026-43575 | OpenClaw versions 2026.2.21 before 2026.4.10 contain an auth… | CVSS 9.8 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2026-43575
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-05-01 16:58 UTC
Published: 2026-05-06 19:49 UTC
Last updated: 2026-05-07 13:52 UTC
Primary CWE: CWE-862
CWE-862 Missing Authorization
Vendor / Product: OpenClaw / OpenClaw
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
OpenClaw	OpenClaw	—	2026.2.21 < 2026.4.10, 2026.4.10

Weakness (CWE)

CWE	Source	Description
CWE-862	cna	CWE-862 Missing Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.2	CRITICAL	4.0	cna	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

References (3)

GitHub Security Advisory (GHSA-92jp-89mq-4374) https://github.com/openclaw/openclaw/security/advisories/GHSA-92jp-89mq-4374
Patch Commit https://github.com/openclaw/openclaw/commit/8dfbf3268bd224b7377d1ecca77a445100746085
VulnCheck Advisory: OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route https://www.vulncheck.com/advisories/openclaw-authentication-bypass-in-sandbox-novnc-helper-route