CVE-2025-51482: Letta

High severity, CVSS 8.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Remote Code Execution in letta.server.rest_api.routers.v1.tools.run_tool_from_source in letta-ai Letta 0.7.12 allows remote attackers to execute arbitrary Python code and system commands via crafted payloads to the /v1/tools/run endpoint, bypassing intended sandbox restrictions.

Affected products

• Letta Letta: version 0.7.12 only

Published 2025-07-22. Last modified 2026-06-17.