CVE-2026-53818CWE-862

OpenClaw < 2026.4.24 - Owner-Only Tool Policy Bypass via MCP Loopback

Medium · published June 11, 2026

CVSS v4.0
6.9
EPSS
0%
Percentile
3.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
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
EPSS
0.00140 · 3.0th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-06-11T20:09Z
EPSS history
Timeline
  • 11 JUN 20:09Z
    OpenClaw < 2026.4.24 - Owner-Only Tool Policy Bypass via MCP Loopback
    cvelistv5