| Component | OpenClaw |
| Severity | high (CVSS 8.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
| Published (NVD) | 2026-09-26 |
| Last modified | 2026-09-30 |
| Affected versions | < 2026.7.1 read from the advisory text: NVD has not published CPE data yet |
| Fixed in | 2026.7.1 |
| Weakness | CWE-863 |
| CISA KEV | not listed |
NVD 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.
What to do
- Upgrade OpenClaw to
2026.7.1or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-100589
- 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
Read more
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