Vulnerability Details CVE-2026-53818
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.6%
CVSS Severity
CVSS v3 Score 6.6