Asymmetric Resource Consumption (Amplification) Affecting openclaw package, versions <2026.4.2-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.11% (30th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-OPENCLAW-15955267
  • published9 Apr 2026
  • disclosed9 Apr 2026

Introduced: 9 Apr 2026

NewCVE-2026-35626  (opens in a new tab)
CWE-405  (opens in a new tab)

How to fix?

Upgrade Minimos:latest openclaw to version 2026.4.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openclaw package and not the openclaw package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1