Ollama MCP Server execAsync Command Injection Remote Code Execution Vulnerability.
Date: 2026-01
Attack vector: command-injection
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2025-15063
CWE: CWE-78
CVSS: 9.8 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Ollama MCP Server execAsync Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ollama MCP Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the execAsync method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-27683.


Mitigations:

Architectural layers (MAESTRO):