CVE-2026-24149 Code injection in Megatron-LM

High 7.8 Published Updated

Attacker can inject code via malicious data in NVIDIA Megatron-LM, leading to code execution, privilege escalation, and data compromise.

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-2026-24149?

CVE-2026-24149 is a high-severity code injection vulnerability in NVIDIA Megatron-LM, published on 3 Feb 2026. 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 script, where malicious data created by an attacker may cause a code injection issue. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, data tampering.

Weakness: CWE-94

Which versions are affected by CVE-2026-24149?

How do I fix CVE-2026-24149?

No fix has been published for CVE-2026-24149 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-2026-24149 being exploited?

There is no known exploitation of CVE-2026-24149 in the wild and no public exploit code.

Sources

Also known as GHSA-m6wh-6x2c-qqwh.

Is CVE-2026-24149 in your software?

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