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

What is CVE-2026-53818?

CVE-2026-53818 is a medium-severity missing authorization vulnerability in Openclaw Openclaw, published on 11 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-862

Which versions are affected by CVE-2026-53818?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

Products include Openclaw Openclaw.

How do I fix CVE-2026-53818?

Upgrade openclaw to 2026.4.24 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-53818 being exploited?

There is no known exploitation of CVE-2026-53818 in the wild and no public exploit code.

Other vulnerabilities in Openclaw Openclaw

• CVE-2026-28363 Security feature bypass in OpenClaw Critical 9.9
• CVE-2026-30741 Code injection in n/a Critical 9.8
• CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval Critical 9.4
• CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate Critical 9.4
• CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners Critical 9.4

All Openclaw Openclaw vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rj6p-xmxr-qj4h, MINI-cpqc-3xv2-3m4h.