PT-2026-27506 · Nvidia · Nvidia Megatron-Lm

Published 2026-03-24 · Updated 2026-03-25 · CVE-2025-33248

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions NVIDIA Megatron-LM (affected versions not specified)

Description The software contains a flaw in the hybrid conversion script that could allow an attacker to achieve Remote Code Execution (RCE). This is possible by convincing a user to load a maliciously crafted file. A successful exploit could result in code execution, privilege escalation, information disclosure, and data tampering.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2025-33248

Affected Products

Nvidia Megatron-Lm

References · 5

• https://cve.org/CVERecord?id=CVE-2025-33248 · Security Note
• https://nvidia.custhelp.com/app/answers/detail/a_id/5769 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-33248 · Security Note
• https://twitter.com/threatcluster/status/2036563897600131221 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2036621123857616969 · Twitter Post