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CVE-2026-41405

CVE-2026-41405 · OpenClaw < 2026.3.31 - Resource Exhaustion via Unauthenticated MS Teams Webhook Body Parsing

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

OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks.

CVSS 8.7 · High · EPSS 0.5% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.3.31: Affected (semver)
    • 2026.3.31: Not affected (semver)

    Update to 2026.3.31

  • openclaw npm

    Affected ranges
    • SEMVER: < 2026.3.31

    Update to 2026.3.31

Original sources

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