OpenClaw versions prior to 2026.2.21 contain an improper sandbox configuration vulnerability that allows attackers to execute arbitrary code by exploiting renderer-side vulnerabilities without requiring a sandbox escape. Attackers can leverage the disabled OS-level sandbox protections in the Chromium browser container to achieve code execution on the host system.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Openclaw Openclaw
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
|
— |
2026.2.21
|
References 4
https://github.com/openclaw/openclaw/commit/1835dec2004fe7a62c6a7ba46b8485f124e…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/commit/e7eba01efc4c3c400e9cfd3ce3d661cbc78…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-43x4-g22p-3hrq
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-os-level-sandbox-bypass-via-no-sa…
disclosure@vulncheck.com