CVE-2026-53818

MediumCVSS 6.6/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.6/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 11, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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