CVE-2026-41399

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/28/2026

Last Modified4/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-770

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-f44p-c7w9-7xr7(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unbounded-pre-auth-websocket-upgrades(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.