What’s Vulnerable › Vulnerabilities

CVE-2026-100589: OpenClaw before 2026.7.1 Sandbox Bypass via Browser Node

• Severity: high (CVSS 8.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-26 · updated 2026-09-30
• Weakness: CWE-863

Description

OpenClaw versions before 2026.7.1 contain a sandbox bypass vulnerability in the browser tool that allows sandboxed sessions to access paired node browser actions despite allowHostControl=false configuration. Attackers with control over sandboxed agent input can select a paired node and perform host browser operations, inspecting or manipulating the connected browser profile and its authenticated state.

Affected products

• OpenClaw: before 2026.7.1 — fixed in 2026.7.1

How to fix

Upgrade to a fixed version: OpenClaw 2026.7.1. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw/security/advisories/GHSA-9x88-f7rh-4c83
• https://www.vulncheck.com/advisories/openclaw-before-2026.7.1-sandbox-bypass-via-browser-node

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