What’s Vulnerable › Vulnerabilities

CVE-2026-101881: OpenClaw Windows Node before 2026.7.1 Denial of Service

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-30 · updated 2026-10-01
• Weakness: CWE-770

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

• OpenClaw Windows Node: before 2026.7.1 — fixed in 2026.7.1

How to fix

Upgrade to a fixed version: OpenClaw Windows Node 2026.7.1. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/WebSocketClientBase.cs#L217-L263
• https://github.com/openclaw/openclaw-windows-node/commit/1810e357aa0d0639099b347f31c746ba7d31512a
• https://github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1
• https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-xxr2-xm56-9cw5
• https://www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-denial-of-service
• https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-xxr2-xm56-9cw5

Get alerted when CVE-2026-101881 or the next vulnerability affects your stack