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VULNERABILITIES

CVE-2026-35626 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 [email protected]Patch
https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead [email protected]Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv [email protected]Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-405Asymmetric Resource Consumption (Amplification)[email protected]

Affected Products

ProductVersions
openclaw openclaw
< 2026.3.22

CPE

  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-35626
NVD Published Date:
Apr 9, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-35626 Details - Not Deferred