Executive brief
NVIDIA Megatron Bridge, a tool used for connecting large-scale AI models, contains a security flaw in one of its data shuffling tutorials. If an attacker provides malicious input to this component, they could execute unauthorized commands on the system. This could lead to a full system compromise, including the theft of sensitive data, unauthorized changes to information, or elevated access privileges.
Technical details
A code injection vulnerability (CWE-94) exists in the data shuffling tutorial component of NVIDIA Megatron Bridge. The flaw stems from improper validation of input, which can be manipulated to execute arbitrary code. An attacker with local access and low privileges can exploit this vulnerability to achieve full code execution, potentially leading to privilege escalation, data tampering, and information disclosure. The vulnerability is addressed in version 0.2.2.
Affected products
- NVIDIA Megatron-Bridge All versions prior to 0.2.2
Timeline
- 2026-02-18: disclosed
- 2026-02-18: advisory