Description

OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation.

INFO

Published Date :

2026-04-09T21:26:58.441Z

Last Modified :

2026-04-09T21:26:58.441Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-35626 vulnerability.

Vendors Products
Openclaw
  • Openclaw
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-35626.

URL Resource
https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 cve-icon cve-icon
https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead cve-icon cve-icon
https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv cve-icon cve-icon
https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact