CVE-2026-101881CWE-770denial-of-service

CVE-2026-101881

Medium · published October 1, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
29.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · 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
EPSS
0.00370 · 29.8th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-10-01T00:17Z
References (6)
https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/WebSocketClientBase.cs#L217-L263 · [email protected]https://github.com/openclaw/openclaw-windows-node/commit/1810e357aa0d0639099b347f31c746ba7d31512a · [email protected]https://github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1 · [email protected]https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-xxr2-xm56-9cw5 · [email protected]https://www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-denial-of-service · [email protected]https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-xxr2-xm56-9cw5 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 1%
    epss
  • 30 SEP 19:16Z
    OpenClaw Windows Node before 2026.7.1 Denial of Service
    cvelistv5