CVE-2026-100573
OpenClaw before 2026.8.1 Sandbox Policy Bypass via MCP Loopback
- State
- Published
- Severity
- 4.8 Medium
- Published
- Sep 26, 2026
- Updated
- Sep 30, 2026
- Reserved
- Sep 26, 2026
Description
OpenClaw versions before 2026.8.1 contain a sandbox policy bypass vulnerability in the MCP loopback component that allows sandboxed coding-agent sessions to invoke tools explicitly denied by sandbox.tools.deny policy. Attackers can list and invoke denied tools to access data or perform actions the operator intended to exclude from the sandbox.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
OpenClawOpenClaw |
|
References
- GitHub Security Advisory (GHSA-5m4g-88rg-69pj)vendor-advisory
- VulnCheck Advisory: OpenClaw before 2026.8.1 Sandbox Policy Bypass via MCP Loopbackthird-party-advisory
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