What is CVE-2025-15063?

CVE-2025-15063 is a critical-severity vulnerability in Ollama Mcp Server, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-23.

How severe is CVE-2025-15063?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Ollama Mcp Server

CVE-2025-15063

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.021 (79.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ollama Mcp Server — versions 80cf2e17cfc144963a475b619093a2d13c13dbc9

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

zdi-disclosures@trendmicro.com (x_research-advisory)

Frequently asked questions

What is CVE-2025-15063?: CVE-2025-15063 is a critical-severity vulnerability in Ollama Mcp Server, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-23.
How severe is CVE-2025-15063?: Critical severity. CVSS v3 base score is 9.8 out of 10.