Advisories

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

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severity
critical
date
Affecting
  • OpenClaw 2026.2.21 < 2026.4.10

CWE
  • CWE-862 Missing Authorization
CVSS
9.2
CVSS V4 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
Credit
smaeljaish771, KeenSecurityLab
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.

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