← Back to CVEs

CVE-2026-35626

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/9/2026

Last Modified4/15/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-405

References

https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook(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.