CVE-2026-53818EPSS p0.9%

CVE-2026-53818CVE-2026-53818

openclaw / openclaw

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.

Scoring

CVSS 6.6 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
EPSS0.10% probability of exploitation · percentile 0.9% · 2026-06-18T12:00:27Z
Last modified2026-06-12
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.