CVE-2025-23303 Deserialization in NVIDIA NeMo Framework

High 7.8 Published Updated

Attackers can achieve remote code execution and data tampering via unsafe deserialization in the NVIDIA NeMo Framework.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-23303?

CVE-2025-23303 is a high-severity unsafe deserialization vulnerability in NVIDIA NeMo Framework, published on 13 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA NeMo Framework for all platforms contains a vulnerability where a user could cause a deserialization of untrusted data by remote code execution. A successful exploit of this vulnerability might lead to code execution and data tampering.

Weakness: CWE-502

Which versions are affected by CVE-2025-23303?

It affects 1 product.

Products include Nvidia Nemo.

How do I fix CVE-2025-23303?

No fix has been published for CVE-2025-23303 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2025-23303 being exploited?

There is no known exploitation of CVE-2025-23303 in the wild and no public exploit code.

Sources

Also known as GHSA-pq76-j4jm-x9qx.

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