Resource exhaustion in Openclaw Windows Node
CVE-2026-101881
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-xxr2-xm56-9c… (vendor-advisory)
- github.com/openclaw/openclaw-windows-node/commit/1810e357aa0d0639099b347f31c746… (patch)
- github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1 (release-notes)
- github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/WebS… (technical-description)
- www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-denial-of-se… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-101881?
- CVE-2026-101881 is a medium-severity vulnerability in Openclaw Windows Node, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-09-30.
- How severe is CVE-2026-101881?
- Medium severity. CVSS v3 base score is 6.5 out of 10.