CVE-2026-61766: High severity Nvidia NVIDIA Megatron Bridge vulnerability
Published Sep 1, 2026
·Updated
NVIDIA Megatron Bridge contains a vulnerability where an attacker could cause a deserialization of untrusted data. A successful exploit of this vulnerability might lead to code execution, data tampering, and information disclosure.
Affected Software
2 affected components
Nvidia NVIDIA Megatron Bridge
Nvidia Nemo Megatron Bridge<0.5.1
Event History
Sep 1, 2026
CVE Published
via MITRE·04:02 PM
Data Sourced
via MITRE·04:02 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
Who is realistically exposed to this vulnerability?
The vector is local and exploitation requires low privileges. Systems running NVIDIA Megatron Bridge are the relevant affected environment.
2
What does an attacker need to exploit it?
An attacker needs local access with low privileges and the ability to cause NVIDIA Megatron Bridge to deserialize untrusted data. No user interaction is required.
3
What could happen if exploitation succeeds?
Successful exploitation might allow code execution, data tampering, and information disclosure. The stated impact includes high confidentiality, integrity, and availability effects.