CVE-2026-34512: Openclaw

High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Openclaw Openclaw: before 2026.3.25 (fixed in 2026.3.25)

Published 2026-04-09. Last modified 2026-06-17.