CVE-2025-15063
Command Injection in Ollama MCP Server execAsync Enables RCE
Publication date: 2026-01-23
Last updated on: 2026-01-23
Assigner: Zero Day Initiative
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ollama | mcp_server | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-15063 is a critical remote code execution vulnerability in the Ollama MCP Server. It exists in the execAsync method due to improper validation of a user-supplied string before executing a system call. This flaw allows remote attackers to execute arbitrary code on the server without needing authentication. [1]
How can this vulnerability impact me? :
This vulnerability can have a severe impact by allowing attackers to execute arbitrary code remotely with the privileges of the service account running the server. This can compromise the confidentiality, integrity, and availability of the affected systems. [1]
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This vulnerability poses a severe risk to the confidentiality, integrity, and availability of affected systems, which can lead to non-compliance with common standards and regulations such as GDPR and HIPAA that require protection of sensitive data and system integrity. Exploitation without authentication increases the risk of unauthorized data access or system compromise, potentially resulting in violations of these regulations. [1]