CVE-2026-101881
OpenClaw Windows Node before 2026.7.1 Denial of Service
- State
- Published
- Severity
- 7.1 High
- Published
- Sep 30, 2026
- Updated
- Sep 30, 2026
- Reserved
- Sep 28, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-770 Allocation of Resources Without Limits or Throttling
Affected Products
| Product | Versions |
|---|---|
OpenClaw Windows NodeOpenClaw |
|
References
- GitHub Security Advisory (GHSA-xxr2-xm56-9cw5)vendor-advisory
- https://github.com/openclaw/openclaw-windows-node/commit/1810e357aa0d0639099b347f31c746ba7d31512apatch
- OpenClaw Windows Node v2026.7.1 Release Notesrelease-notes
- https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/WebSocketClientBase.cs#L217-L263technical-description
- VulnCheck Advisory: OpenClaw Windows Node before 2026.7.1 Denial of Servicethird-party-advisory
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