CVE-2026-53818 MEDIUM

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

Vendor Openclaw
Product OpenClaw
Weakness CWE-862 · Missing authorization
Published June 11, 2026
Last update June 12, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 11, 2026 CVE published
June 12, 2026 Record updated