CVE-2026-43575

CRITICAL

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

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-92jp-89mq-4374)
https://github.com/openclaw/openclaw/security/advisories/GHSA-92jp-89mq-4374
Third Party Advisory third-party-advisory
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

Scores

CVSS v3 9.8
EPSS 0.0011
EPSS Percentile 28.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-862
Status published
Products (3)
OpenClaw/OpenClaw 2026.2.21 - 2026.4.10
openclaw/openclaw 2026.2.21 - 2026.4.10
OpenClaw/OpenClaw 2026.4.10
Published May 06, 2026
Tracked Since May 07, 2026