CVE-2026-100596: OpenClaw before 2026.7.1 Authorization Bypass via MCP Configuration

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-26 · updated 2026-10-05
Weakness: CWE-862

Description

OpenClaw versions before 2026.7.1 fail to properly authorize non-owner users executing MCP configuration changes through /mcp set and /mcp unset commands. Attackers can persist arbitrary stdio MCP commands that execute with OpenClaw process privileges when configuration loads, compromising host confidentiality, integrity, and availability.

Affected products

OpenClaw: before 2026.7.1 — fixed in 2026.7.1

How to fix

Upgrade to a fixed version: OpenClaw 2026.7.1. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-wwx7-573h-pqwc
https://www.vulncheck.com/advisories/openclaw-before-2026.7.1-authorization-bypass-via-mcp-configuration

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