Allocation of Resources Without Limits or Throttling in OpenClaw - #VU126444
Published: April 17, 2026
Vulnerability identifier: #VU126444
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the voice-call realtime WebSocket path when handling oversized WebSocket frames. A remote attacker can send oversized WebSocket frames to cause a denial of service.
Only deployments exposing that webhook path are vulnerable.
Remediation
Install security update from vendor's website.