CVE-2026-100589 OpenClaw - Sandbox Bypass

OpenClaw < 2026.7.1 contains a sandbox bypass caused by improper enforcement of allowHostControl=false in the browser tool, letting attackers with sandboxed agent input perform host browser operations.

CVSS base score 8.3 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.32% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Sandbox Bypass
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-863

Vendor fix

Update to version 2026.7.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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