Overview
The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical vulnerability, CVE-2025-51482, in the letta-ai Letta software. This vulnerability allows for Remote Code Execution (RCE), potentially leading to serious system compromise or data leakage. As Letta is widely used for data management in artificial intelligence applications, this vulnerability could affect a significant number of end users and businesses. The understanding and prompt mitigation of this vulnerability is paramount to prevent possible cyber attacks.
Vulnerability Summary
CVE ID: CVE-2025-51482
Severity: High (CVSS: 8.8)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System Compromise, Potential Data Leakage
Affected Products
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Product | Affected Versions
Letta-ai Letta | 0.7.12
How the Exploit Works
The flaw resides in the letta.server.rest_api.routers.v1.tools.run_tool_from_source endpoint of the Letta software. Remote attackers can send specially crafted payloads to this endpoint which can bypass the intended sandbox restrictions. By exploiting this vulnerability, attackers can execute arbitrary Python code and system commands, potentially leading to system compromise and data leakage.
Conceptual Example Code
Below is a conceptual example of how this vulnerability might be exploited, using a malicious HTTP request:
POST /v1/tools/run HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "payload": "import os; os.system('rm -rf / --no-preserve-root')" }In this conceptual example, the payload contains Python code that would delete all files on the server if executed. This is a destructive action and illustrates the potential severity of this vulnerability.
Remediation
The best way to mitigate the risk associated with CVE-2025-51482 is to apply the vendor-provided patch. If the patch is not immediately available or applicable, temporary mitigations could include using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to block or alert on crafted payloads to the /v1/tools/run endpoint. As always, following best practices for secure coding and regularly updating and patching software can prevent exposure to these types of vulnerabilities.