Description
OpenClaw versions 2026.2.21-2 up to, but not including, 2026.2.22, and @openclaw/voice-call versions 2026.2.21 up to, but not including, 2026.2.22 accept media-stream WebSocket upgrades before stream validation, allowing unauthenticated clients to establish connections. Remote attackers can hold idle pre-authenticated sockets open to consume connection resources and degrade service availability for legitimate streams.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| openclaw | openclaw | 2026.2.21-2 – < 2026.2.22 | 2026.2.22 |
| openclaw | voice-call | 2026.2.21 | 2026.2.22 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | @openclaw/voice-call | < 2026.2.22 | 2026.2.22 | GHSA-mfg5-7q5g-f37j |
| npm | openclaw | < 2026.2.22 | 2026.2.22 | GHSA-mfg5-7q5g-f37j |
Advisories 1
- WID-SEC-2026-0472 OpenClaw: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 12, 2026
References
- GitHub Security Advisory (GHSA-mfg5-7q5g-f37j) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw 2026.2.21-2 < 2026.2.22 - Unauthenticated WebSocket Resource Exhaustion via Media Stream third-party-advisory