CVE-2025-23265 Code injection in Megatron LM

High 7.8 Published 24 Jun 2025 Updated 24 Jun 2025

Attackers can execute arbitrary code and escalate privileges in NVIDIA Megatron-LM by providing a malicious file to the Python component.

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-2025-23265?

CVE-2025-23265 is a high-severity code injection vulnerability in NVIDIA Megatron LM, published on 24 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA Megatron-LM for all platforms contains a vulnerability in a python component where an attacker may cause a code injection issue by providing a malicious file. A successful exploit of this vulnerability may lead to Code Execution, Escalation of Privileges, Information Disclosure and Data Tampering.

Weakness: CWE-94

Which versions are affected by CVE-2025-23265?

It affects 1 product.

Products include Nvidia Megatron-Lm.

How do I fix CVE-2025-23265?

No fix has been published for CVE-2025-23265 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2025-23265 being exploited?

There is no known exploitation of CVE-2025-23265 in the wild and no public exploit code.

Sources

Also known as GHSA-hw7x-6hm6-933c.