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CVE-2026-53818

CVE-2026-53818 · OpenClaw < 2026.4.24 - Owner-Only Tool Policy Bypass via MCP Loopback

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

OpenClaw before 2026.4.24 contains an authorization bypass vulnerability in the MCP loopback feature that allows non-owner callers to skip owner-only tool policies and before-tool-call hooks. Attackers can invoke owner-only behavior through the affected loopback path to execute restricted tools when the feature is enabled and reachable.

CVSS 6.9 · Medium · EPSS 0.1% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.4.24: Affected (semver)
    • 2026.4.24: Not affected (semver)

    Update to 2026.4.24

  • openclaw npm

    Affected ranges
    • SEMVER: < 2026.4.24

    Update to 2026.4.24

Original sources

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