CVE-2026-2256: MS-Agent Command Injection Vulnerability
Summary
CVE-2026-2256: MS-Agent vulnerable to Command Injection. Affects ms-agent versions < 1.6.0rc1. No fix is published. How to fix ↓
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Background
MS-Agent is a Python package available on PyPI that facilitates various functionalities related to model management and interaction. It is widely used in machine learning applications for handling model deployment and inference tasks. However, versions v1.6.0rc1 and earlier are susceptible to a command injection vulnerability, which can lead to severe security risks if exploited.
Vulnerability Detail
The vulnerability arises from improper handling of user input in MS-Agent, allowing an attacker to inject arbitrary operating system commands through crafted prompt-derived input. This can lead to unauthorized command execution on the host system, potentially compromising sensitive data and system integrity. The vulnerability is classified under CWE-77, indicating a command injection flaw, and has a CVSS score of 6.5, reflecting its moderate severity.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users should sanitize and validate all user inputs to prevent command injection. This can be done by implementing strict input validation rules and avoiding the execution of commands derived from user input without thorough checks.
Conclusion
In summary, CVE-2026-2256 is a command injection vulnerability in the MS-Agent package that can lead to serious security issues if not addressed. Users are advised to update to the latest version to mitigate risks and should consider implementing input validation as a temporary measure.
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FAQ
CVE-2026-2256 is a command injection vulnerability found in the MS-Agent package, allowing attackers to execute arbitrary commands on the host system.
The affected versions are MS-Agent v1.6.0rc1 and earlier.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If an immediate update is not possible, ensure to sanitize and validate all user inputs to mitigate the risk of command injection.
The CVSS score of this vulnerability is 6.5, indicating a moderate severity level.
