Description
OpenClaw before 2026.3.31 contains an allowlist bypass vulnerability in Matrix thread root and reply context handling that fails to properly validate message senders. Attackers can fetch thread-root and reply context messages that should be filtered by sender allowlists, bypassing access controls.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenClaw | OpenClaw | < 2026.3.31 | 2026.3.31 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | openclaw | < 2026.3.31 | 2026.3.31 | GHSA-rg8m-3943-vm6q |
Advisories 1
- WID-SEC-2026-0948 OpenClaw: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 28, 2026
References
- GitHub Security Advisory (GHSA-rg8m-3943-vm6q) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.3.31 - Matrix Thread Context Allowlist Bypass via Sender Validation third-party-advisory