CVE-2026-24159: Remote Code Execution Vulnerability in NVIDIA NeMo Framework (nemo-toolkit)
Summary
CVE-2026-24159: NVIDIA NeMo Framework contains a vulnerability leading to Remote Code Execution. Affects nemo-toolkit versions < 2.6.2. Fixed in 2.6.2. How to fix ↓
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Background
The NVIDIA NeMo Framework, specifically the nemo-toolkit package, is a powerful tool designed for building and training state-of-the-art conversational AI models. It provides a flexible and modular architecture that allows developers to create, customize, and deploy AI models efficiently. However, the framework has been found to contain a significant vulnerability that could potentially allow attackers to execute arbitrary code remotely.
Vulnerability Detail
The vulnerability in the NVIDIA NeMo Framework arises from improper handling of certain inputs, which may allow an attacker to execute arbitrary code on the server. This could lead to severe consequences, including unauthorized access to sensitive data, privilege escalation, and data tampering. The vulnerability is classified under CWE-502, indicating issues related to deserialization of untrusted data. The potential impact of this vulnerability is high, as it could compromise the integrity and confidentiality of the system.
How To Fix
Latest published version: 3.0.0 as of 23 Oct 2026
pip install --upgrade "nemo-toolkit==3.0.0"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
2.6.2
This is the first release that contains the fix.
pip install --upgrade "nemo-toolkit==2.6.2"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, you can restrict access to the affected components of the NVIDIA NeMo Framework until the package is updated. This may involve modifying firewall rules or access controls to limit exposure to untrusted users.
Conclusion
The NVIDIA NeMo Framework's vulnerability (CVE-2026-24159) poses a significant risk due to its potential for remote code execution. It is crucial for users to update to the patched version (2.6.2) to mitigate this risk. Implementing workarounds and monitoring for vulnerabilities can help protect systems until updates are applied.
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FAQ
CVE-2026-24159 is a vulnerability in the NVIDIA NeMo Framework that allows for remote code execution due to improper input handling.
Exploiting this vulnerability could lead to unauthorized code execution, privilege escalation, data tampering, and information disclosure.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If immediate updates are not possible, consider implementing access restrictions or monitoring for suspicious activity as a temporary measure.
The CVSS score of this vulnerability is 7.8, indicating a high severity level.
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