CVE-2025-15063Network attack vector

Unauthenticated code execution via unquoted shell arguments

Published Jan 23, 2026 · Updated Jan 23, 2026

OS command injection in NightTrek Ollama MCP Server allows remote attackers to execute arbitrary code without authentication. The create, show, pull, push, copy, and remove handlers interpolate MCP tool arguments into shell command strings passed to promisified child_process.exec without quoting or validation. Any remote client able to invoke these MCP tools can run commands with the service account's privileges.

CVSS severity9.8
Critical
EPSS probability2.05%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in NightTrek Ollama MCP Server allows remote attackers to execute arbitrary code without authentication. The create, show, pull, push, copy, and remove handlers interpolate MCP tool arguments into shell command strings passed to promisified child_process.exec without quoting or validation. Any remote client able to invoke these MCP tools can run commands with the service account's privileges.

The record

CVE
CVE-2025-15063
Published
Jan 23, 2026
Updated
Jan 23, 2026
Vendor
Ollama MCP Server
Product
Ollama MCP Server
Classifications
CWE-78, T1059
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=80cf2e17cfc144963a475b619093a2d13c13dbc9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ollama MCP Server · Ollama MCP Serverversion=80cf2e17cfc144963a475b619093a2d13c13dbc9

Published CVSS scores

9.8Zero Day InitiativeCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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