CVE-2025-33245 NVIDIA NeMo Framework contains a vulnerability where malicious data could cause remote code execution

High 8.0 Published Updated

Attackers can achieve remote code execution and privilege escalation via malicious data in NVIDIA NeMo Framework.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-33245?

CVE-2025-33245 is a high-severity unsafe deserialization vulnerability in NVIDIA NeMo Framework, published on 18 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

NVIDIA NeMo Framework contains a vulnerability where malicious data could cause remote code execution. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.

Weakness: CWE-502

Which versions are affected by CVE-2025-33245?

3 open source packages ship an affected version, including nemo-toolkit. It affects 1 product.

PackageAffectedFixed in
nemo-toolkit PyPIAll versions2.6.1
nemo-toolkit PyPIAll versions2.6.1
nemo-toolkit PyPIAll versions2.6.1

Products include Nvidia Nemo.

How do I fix CVE-2025-33245?

Upgrade nemo-toolkit to 2.6.1 or later.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-33245 being exploited?

There is no known exploitation of CVE-2025-33245 in the wild and no public exploit code.

Sources

Also known as GHSA-9379-mwvr-7wxx, PYSEC-2026-2672.

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