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.

CVSS v3 6.6 MEDIUM

6.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.7

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/openclaw/openclaw/security/advisories/GHSA-rj6p-xmxr-qj4h	Mitigation Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-owner-only-tool-policy-bypass-via-mcp-loopback	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

History

12 Jun 2026, 20:08

Type	Values Removed	Values Added
First Time		Openclaw Openclaw openclaw
CPE		cpe:2.3:a:openclaw:openclaw::::::node.js::*
References	~~() https://github.com/openclaw/openclaw/security/advisories/GHSA-rj6p-xmxr-qj4h -~~	() https://github.com/openclaw/openclaw/security/advisories/GHSA-rj6p-xmxr-qj4h - Mitigation, Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/openclaw-owner-only-tool-policy-bypass-via-mcp-loopback -~~	() https://www.vulncheck.com/advisories/openclaw-owner-only-tool-policy-bypass-via-mcp-loopback - Third Party Advisory

11 Jun 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-11 21:16

Updated : 2026-06-12 20:08

NVD link : CVE-2026-53818

Mitre link : CVE-2026-53818

CVE.ORG link : CVE-2026-53818

JSON object : View

Products Affected

openclaw

openclaw

CWE

CWE-862

Missing Authorization

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