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CVE-2026-109437 - Cognition 0.13.0 Unauthenticated RCE via Local Shell Backend

CVE ID : CVE-2026-109437 Published : Oct. 19, 2026, 7:17 p. m. • 38 minutes ago Description : Cognition before 0. 13. 0 contains an unauthenticated remote code execution vulnerability due to defaulting its agent sandbox backend to local execution and shipping no authentication on its REST/SSE API. Attackers can create a session via POST /sessions and post a message via POST /sessions/{id}/messages without credentials, causing the Deep Agents ReAct loop to run attacker-directed shell commands through the local shell backend, resulting in remote code execution as the server process. Severity: 9.8 • CRITICAL Visit the link for more details, such as CVSS details, affected products, timeline, and more...