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CVE-2026-35626

CVE-2026-35626 · OpenClaw < 2026.3.22 - Unauthenticated Resource Exhaustion via Voice Call Webhook

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 6.9 · Medium · EPSS 0.5% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.3.22: Affected (semver)
    • 2026.3.22: Not affected (semver)

    Update to 2026.3.22

  • openclaw npm

    Affected ranges
    • SEMVER: < 2026.3.22

    Update to 2026.3.22

Original sources

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