CVE-2026-100589 OpenClaw before 2026.7.1 Sandbox Bypass via Browser Node
Attackers can bypass sandbox restrictions to control host browser actions and access authenticated profiles in OpenClaw.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-100589?
CVE-2026-100589 is a high-severity vulnerability in OpenClaw, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2026-100589?
How do I fix CVE-2026-100589?
Upgrade to a fixed version.
Is CVE-2026-100589 being exploited?
There is no known exploitation of CVE-2026-100589 in the wild and no public exploit code.
Sources
Also known as GHSA-2pcx-9jr9-59mg, GHSA-9x88-f7rh-4c83, MINI-66pf-rp8g-prfv.