CVE-2026-100589

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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

8.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-25)

CWE

CWE-863

Published

2026-09-26

Modified

2026-09-30

Record from

the NVD, synced 2026-10-19

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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