CVE-2026-62195: OpenClaw 2026.5.20 < 2026.6.6 Authorization Bypass via MCP loopback

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-13 · updated 2026-10-24
Weakness: CWE-732

Description

OpenClaw versions 2026.5.20 before 2026.6.6 contain an authorization bypass vulnerability in the MCP loopback feature that allows lower-trust callers to execute owner-only tools. Attackers can bypass authorization checks through configured input paths to execute or persist actions beyond their intended permissions.

Affected products

OpenClaw: from 2026.5.20 before 2026.6.6 — fixed in 2026.6.6

How to fix

Upgrade to a fixed version: OpenClaw 2026.6.6. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-52xj-c9p8-78cv
https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-mcp-loopback

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