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CVE-2025-51482

HighPublished

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...

Published: Jul 22, 2025
Updated: Jul 22, 2025
Assigning CNA: mitre
Evidence observed: Aug 28, 2026

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS probability estimate

1.9%

Low · next 30 days

Percentile: 78.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Letta-CVE-2025-51482-RCEPoC
Proof-of-concept exploit for CVE-2025-51482, demonstrating remote code execution via unsafe exec() usage and sandbox bypass in the Letta AI agent framework. Includes vulnerability analysis and exploitation script.

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