Description
OpenClaw before 2026.5.12 contains an exec denylist bypass vulnerability in the bundle MCP loopback session-spawn path that allows authenticated callers to bypass intended command restrictions. Attackers can reach the affected bundled MCP session-spawn path to start sessions with broader command reach than intended.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenClaw | OpenClaw | < 2026.5.12 | 2026.5.12 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | openclaw | < 2026.5.12 | 2026.5.12 | GHSA-qh2f-99mv-mrcf |
Advisories 1
- WID-SEC-2026-1738 OpenClaw: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 16, 2026
References
- GitHub Security Advisory (GHSA-qh2f-99mv-mrcf) vendor-advisory
- VulnCheck Advisory: OpenClaw < 2026.5.12 - Exec Denylist Bypass in Bundle MCP Loopback Session Spawn third-party-advisory