CVE-2026-94490
Received Received - Intake

Command Injection in OctoPrint Command API

Publication date: 2026-09-22

Last updated on: 2026-09-22

Assigner: VulDB

Description
A security flaw has been discovered in OctoPrint 1.0.0. Affected by this issue is the function executeSystemCommand of the file src/octoprint/server/api/system.py of the component Command API. Performing a manipulation of the argument command results in os command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-22
Last Modified
2026-09-22
Generated
2026-09-22
AI Q&A
2026-09-22
EPSS Evaluated
N/A
NVD
CVE-2026-94490
EUVD
EUVD-2026-84249

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
octoprint octoprint 1.0.0

Helpful Resources

Exploitability

CWE
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KEV
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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.
CWE-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

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Executive Summary

This vulnerability is an OS command injection flaw in OctoPrint 1.0.0. It exists in the executeSystemCommand function of src/octoprint/server/api/system.py within the Command API component. An attacker can manipulate the command argument to execute arbitrary system commands remotely. The exploit is publicly available, increasing the risk of attacks.

Detection Guidance

This vulnerability involves OS command injection in OctoPrint's Command API. To detect it, inspect network traffic for suspicious API calls to /api/system/executeCommand with unusual command parameters. Check OctoPrint logs for unexpected system command executions or errors in src/octoprint/server/api/system.py.

Impact Analysis

This vulnerability allows remote attackers to execute arbitrary commands on the system running OctoPrint. This could lead to unauthorized access, data theft, system compromise, or disruption of services. The impact depends on the privileges of the OctoPrint process and the system configuration.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR (data protection) or HIPAA (health information privacy). Organizations using affected OctoPrint versions may face legal penalties, reputational damage, or loss of certification if exploited.

Mitigation Strategies

Immediately update OctoPrint to the latest patched version if available. If no patch exists, disable the Command API component or restrict network access to it. Monitor network traffic for suspicious system command execution attempts.

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