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CVE-2026-41395

CVE-2026-41395 · OpenClaw < 2026.3.28 - Webhook Replay via Query Parameter Reordering in Plivo V3

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

OpenClaw before 2026.3.28 contains a webhook replay vulnerability in Plivo V3 signature verification that canonicalizes query ordering for signatures but hashes raw URLs for replay detection. Attackers can reorder query parameters to bypass replay cache detection and trigger duplicate voice-call processing with a captured valid signed webhook.

CVSS 8.2 · High · EPSS 0.1% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.3.28: Affected (semver)
    • 2026.3.28: Not affected (semver)

    Update to 2026.3.28

  • openclaw npm

    Affected ranges
    • SEMVER: < 2026.3.28

    Update to 2026.3.28

Original sources

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