CVE-2026-65179
Received Received - Intake

NVIDIA NeMo Pickle Deserialization Code Execution

Publication date: 2026-09-22

Last updated on: 2026-09-22

Assigner: NVIDIA Corporation

Description
NVIDIA NeMo contains a vulnerability in the TabularTokenizer class where it deserializes an untrusted, attacker-controlled .pkl file via pickle.load() without validation. A successful exploit of this vulnerability may lead to code execution, data tampering, denial of service, and information disclosure.

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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-2026-65179
EUVD
EUVD-2026-84406

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
nvidia nemo *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

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Executive Summary

NVIDIA NeMo has a flaw in the TabularTokenizer class where it loads untrusted .pkl files using pickle.load() without checking if the file is safe. This allows attackers to execute code, modify data, disrupt services, or steal information by tricking users into opening a malicious file.

Detection Guidance

Detecting this vulnerability requires checking for untrusted .pkl file deserialization in NVIDIA NeMo's TabularTokenizer. Inspect logs for pickle.load() operations on external files. Search for suspicious .pkl file execution in NeMo directories. Monitor network traffic for unexpected data exfiltration or tampering attempts.

Impact Analysis

If you use NVIDIA NeMo and open a crafted .pkl file, attackers could run arbitrary code on your system, alter your data, crash your applications, or steal sensitive information. This could affect personal data, project files, or system integrity.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, violating GDPR (data protection) and HIPAA (health data privacy). Organizations may face fines, legal penalties, and reputational damage if exploited.

Mitigation Strategies

Avoid loading untrusted .pkl files in NVIDIA NeMo's TabularTokenizer. Validate all input files before processing. Update to a patched version if available. Monitor for unusual activity in system logs.

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