CVE-2026-65104 Other in Megatron-LM

High 7.1 Published Updated

Attackers can cause hash collisions in inference cache leading to data tampering and partial information disclosure in NVIDIA Megatron-LM.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-65104?

CVE-2026-65104 is a high-severity vulnerability in NVIDIA Megatron-LM, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

NVIDIA Megatron-LM for all platforms contains a vulnerability in inference, where an attacker could cause hash collisions in the cache used for inference requests. A successful exploit of this vulnerability might lead to data tampering and partial information disclosure.

Weakness: CWE-328

Which versions are affected by CVE-2026-65104?

How do I fix CVE-2026-65104?

No fix has been published for CVE-2026-65104 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-65104 being exploited?

There is no known exploitation of CVE-2026-65104 in the wild and no public exploit code.

Sources

Also known as GHSA-mf54-g87x-8pg4.

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