PT-2026-48748 · Openclaw · Openclaw

Keensecuritylab + 1 · Published 2026-06-11 · Updated 2026-06-11 · CVE-2026-53818

Mitre

CVSS v3.1

6.6

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L

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.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-53818

Affected Products

Openclaw

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-53818 · Security Note
• https://github.com/openclaw/openclaw/security/advisories/GHSA-rj6p-xmxr-qj4h · Patch, Vendor Advisory
• https://vulncheck.com/advisories/openclaw-owner-only-tool-policy-bypass-via-mcp-loopback · Note