Vulnerability · Published May 6, 2026 · Assigned by VulnCheck

CVE-2026-43575OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route

Critical 9.8

In plain English

A critical-severity missing authorization in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.4%top 65.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.4.10	GHSA-92jp-89mq-4374

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	2026.2.21 – before 2026.4.10

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-92jp-89mq-4374) vendor-advisory
Patch Commit patch
VulnCheck Advisory: OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route third-party-advisory