Description
OpenClaw Windows Node before 2026.7.1 contains an allocation of resources without limits vulnerability in the gateway WebSocket transport that allows connected gateways to exhaust node memory. Attackers can send an unending sequence of WebSocket continuation frames without EndOfMessage to cause unbounded memory growth until the node process crashes.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| OpenClaw | OpenClaw Windows Node | < 2026.7.1 | 2026.7.1 |
References
- GitHub Security Advisory (GHSA-xxr2-xm56-9cw5) vendor-advisory
- https://github.com/openclaw/openclaw-windows-node/commit/1810e357aa0d0639099b347f31c746ba7d31512a patch
- OpenClaw Windows Node v2026.7.1 Release Notes release-notes
- https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/WebSocketClientBase.cs#L217-L263 technical-description
- VulnCheck Advisory: OpenClaw Windows Node before 2026.7.1 Denial of Service third-party-advisory