CVE-2026-24141 Deserialization in NVIDIA Model Optimizer

High 7.8 Published Updated

A crafted ONNX file can trigger unsafe deserialization in NVIDIA Model Optimizer, allowing attackers to execute code, escalate privileges, and tamper with data.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-24141?

CVE-2026-24141 is a high-severity unsafe deserialization vulnerability in NVIDIA Model Optimizer, published on 24 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

NVIDIA Model Optimizer for Windows and Linux contains a vulnerability in the ONNX quantization feature, where a user could cause unsafe deserialization by providing a specially crafted input file. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, and information disclosure.

Weakness: CWE-502

Which versions are affected by CVE-2026-24141?

How do I fix CVE-2026-24141?

No fix has been published for CVE-2026-24141 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-2026-24141 being exploited?

There is no known exploitation of CVE-2026-24141 in the wild and no public exploit code.

Sources

Also known as GHSA-jxv2-vgwx-37vv.

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