Description
OpenClaw before 2026.3.11 contains a session sandbox escape vulnerability in the session_status tool that allows sandboxed subagents to access parent or sibling session state. Attackers can supply arbitrary sessionKey values to read or modify session data outside their sandbox scope, including persisted model overrides.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenClaw | OpenClaw | < 2026.3.11 | 2026.3.11 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | openclaw | < 2026.3.11 | 2026.3.11 | GHSA-wcxr-59v9-rxr8 |
Advisories 1
- WID-SEC-2026-0711 OpenClaw: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 31, 2026
References
- GitHub Security Advisory (GHSA-wcxr-59v9-rxr8) vendor-advisory
- VulnCheck Advisory: OpenClaw < 2026.3.11 - Session Sandbox Escape via session_status Tool third-party-advisory