CVE-2026-100596 OpenClaw before 2026.7.1 Authorization Bypass via MCP Configuration
Attackers can bypass authorization to inject malicious MCP commands, leading to arbitrary code execution with OpenClaw process privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-100596?
CVE-2026-100596 is a high-severity missing authorization vulnerability in OpenClaw, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-100596?
How do I fix CVE-2026-100596?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-100596 being exploited?
There is no known exploitation of CVE-2026-100596 in the wild and no public exploit code.
Sources
Also known as GHSA-2gwv-q898-554m, GHSA-wwx7-573h-pqwc, MINI-jg8v-rv3f-4qmx.