CVE-2026-41399

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H                                    

Vulnerability Description

OpenClaw before 2026.3.28 accepts unbounded concurrent unauthenticated WebSocket upgrades without pre-authentication budget allocation. Unauthenticated network attackers can exhaust socket and worker capacity to disrupt WebSocket availability for legitimate clients.

Vulnerability Details

Published Date

April 28, 2026

Last Modified

April 28, 2026

CWE ID

CWE-770

Source

NVD

Vendor

OpenClaw

Product

OpenClaw

External References

https://github.com/openclaw/openclaw/security/advisories/GHSA-f44p-c7w9-7xr7
https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unbounded-pre-auth-websocket-upgrades

CVE-2026-41399

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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