Description
OpenClaw versions 2026.5.20 before 2026.6.6 contain an authorization bypass vulnerability in the MCP loopback feature that allows lower-trust callers to execute owner-only tools. Attackers can bypass authorization checks through configured input paths to execute or persist actions beyond their intended permissions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenClaw | OpenClaw | 2026.5.20 – < 2026.6.6 | 2026.6.6 |
Advisories 1
- WID-SEC-2026-2133 OpenClaw: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 16, 2026
References
- GitHub Security Advisory (GHSA-52xj-c9p8-78cv) vendor-advisory
- VulnCheck Advisory: OpenClaw 2026.5.20 < 2026.6.6 Authorization Bypass via MCP loopback third-party-advisory