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Critical · 9.8 CVE-2025-15063 EUVD-2026-4484GHSA-qgp8-r7w8-m3rv

Ollama MCP Server execAsync Command Injection Remote Code Execution Vulnerability

Published Jan 23, 2026 · Updated Jan 23, 2026 · Assigned by zdi

Description

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.

Affected products

VendorProductAffectedFixed
Ollama MCP Server Ollama MCP Server 80cf2e17cfc144963a475b619093a2d13c13dbc9 —

References