CVE-2025-23306: NVIDIA Megatron-Lm

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

NVIDIA Megatron-LM for all platforms contains a vulnerability in the megatron/training/ arguments.py component where an attacker could cause a code injection issue by providing a malicious input. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.

Affected products

• NVIDIA Megatron-Lm: before 0.12.2 (fixed in 0.12.2)

Published 2025-08-13. Last modified 2026-06-17.