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Vulnerability record · CVE-2026-100589 · published 26 September 2026

CVE-2026-100589: Incorrect authorization vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.32% · top 77.6% CWE-863 · Incorrect authorization Received
8.7CVSS 4.0 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
26 Sep 2026Last modified by 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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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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Source: NIST National Vulnerability Database (record CVE-2026-100589), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.