CVE-2025-15063: (0Day) Ollama MCP Server execAsync Command Injection Remote Code Execution Vulnerability

Published Jan 23, 2026
·
Updated

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 Software

2 affected components
Ollama MCP Server
Ollama MCP Server Ollama MCP Server

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    Apply mitigation referenced by ZDI-CAN-27683 for the Ollama MCP Server execAsync command injection (RCE) until a vendor fix is available.

Event History

Jan 23, 2026
CVE Published
via MITRE·02:47 AM
Data Sourced
via MITRE·02:47 AM
DescriptionSeverityWeakness
Advisory Published
via ZDI·03:23 AM
Data Sourced
via ZDI·03:23 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2025-15063?

CVE-2025-15063 has been classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-15063?

To mitigate CVE-2025-15063, it is recommended to apply the latest security patches provided by Ollama for the MCP Server.

3

Who is affected by CVE-2025-15063?

CVE-2025-15063 affects all installations of Ollama MCP Server where the execAsync command is used.

4

Can CVE-2025-15063 be exploited remotely?

Yes, CVE-2025-15063 allows remote attackers to execute arbitrary code on affected installations.

5

What is the nature of the vulnerability in CVE-2025-15063?

CVE-2025-15063 is an execAsync command injection vulnerability that enables remote code execution.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203