Junglewise Threat Intelligence

CVE-2026-61767: NVIDIA Megatron Bridge unsafe deserialization

CVE-2026-61767 · Severity: high · CVSS 7.8 · Published 2026-09-01

Technologies: Nvidia Nemo Megatron Bridge, Nvidia Megatron-Bridge. Vendors: Nvidia.

Executive brief

NVIDIA Megatron Bridge is a machine learning framework component used to optimize neural network model training and inference. An attacker could exploit a deserialization flaw to execute arbitrary code, tamper with data, or access sensitive information stored in the system.

Technical details

The vulnerability is a classic unsafe deserialization flaw in NVIDIA Megatron Bridge where untrusted data is deserialized without sufficient validation. An attacker with network access to the component can send a crafted serialized object that, when deserialized, triggers arbitrary code execution. The vulnerability allows for code execution, data tampering, and information disclosure. Patch availability details are not specified in the advisory.

Affected products

  • NVIDIA Megatron Bridge

Timeline

  • 2026-09-01: disclosed

References

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