CVE-2025-23306: nvidia megatron-lm Code Injection

Vulnerability summary

CVE-2025-23306 is a high (CVSS 7.8) Code Injection vulnerability in nvidia megatron-lm. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.8% of scored vulnerabilities.

Timeline

1. 13-08-2025
   PublishedVulnerability first disclosed.
2. 13-08-2025
   Last modifiedVulnerability information updated.

Description

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.

• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.