CVE-2026-24157 NVIDIA NeMo Framework contains an RCE vulnerability in checkpoint loading

High 7.8 Published 24 Mar 2026 Updated 25 Mar 2026

An attacker can achieve remote code execution and privilege escalation by exploiting unsafe checkpoint loading 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: Available

What is CVE-2026-24157?

CVE-2026-24157 is a high-severity unsafe deserialization vulnerability in NVIDIA NeMo Framework, published on 24 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA NeMo Framework contains a vulnerability in checkpoint loading where an attacker could cause remote code execution. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure and data tampering.

Weakness: CWE-502

Which versions are affected by CVE-2026-24157?

3 open source packages ship an affected version, including nemo-toolkit. It affects 1 product.

Package	Affected	Fixed in
`nemo-toolkit` PyPI	All versions	`2.6.2`
`nemo-toolkit` PyPI	All versions	`2.6.2`
`nemo-toolkit` PyPI	All versions	`2.6.2`

Products include Nvidia Nemo.

How do I fix CVE-2026-24157?

Upgrade nemo-toolkit to 2.6.2 or later.

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

Is CVE-2026-24157 being exploited?

There is no known exploitation of CVE-2026-24157 in the wild and no public exploit code.

Sources

Also known as GHSA-m4jw-wgmf-889x, PYSEC-2026-2674.