VULNERABILITY INTELLIGENCE

CVE-2026-41399

CVSS score8.7 HIGH
EPSS probability0.32%
CISA KEVNot currently listed
Published2026-04-28
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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.

Weakness classification

  • CWE-770: Allocation of Resources Without Limits or Throttling

Primary references