CVE-2026-34512 OpenClaw < 2026.3.25 - Improper Access Control in /sessions/:sessionKey/kill Endpoint

High 7.2 Published Updated

Authenticated users can bypass scope restrictions to terminate arbitrary subagent sessions, leading to privilege escalation and service disruption.

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-2026-34512?

CVE-2026-34512 is a high-severity missing authorization vulnerability in Openclaw Openclaw, published on 9 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

OpenClaw before 2026.3.25 contains an improper access control vulnerability in the HTTP /sessions/:sessionKey/kill route that allows any bearer-authenticated user to invoke admin-level session termination functions without proper scope validation. Attackers can exploit this by sending authenticated requests to kill arbitrary subagent sessions via the killSubagentRunAdmin function, bypassing ownership and operator scope restrictions.

Weakness: CWE-863

Which versions are affected by CVE-2026-34512?

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

PackageAffectedFixed in
openclaw npmAll versions to 2026.3.24None
openclaw npmAll versions to 2026.3.24None

Products include Openclaw Openclaw.

How do I fix CVE-2026-34512?

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-2026-34512 being exploited?

There is no known exploitation of CVE-2026-34512 in the wild and no public exploit code.

All Openclaw Openclaw vulnerabilities

Sources

Also known as GHSA-9p93-7j67-5pc2, GHSA-h254-pw58-pj8j, MINI-6739-m6g9-mvcx, MINI-vjm9-gvj8-9gf2.

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