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.

CVE-2026-61770 is a deserialization of untrusted data vulnerability affecting NVIDIA Megatron Bridge. An attacker who successfully exploits this vulnerability could achieve remote code execution, tamper with data, and cause information disclosure. The vulnerability is currently undergoing analysis by NVD. NVIDIA has published security advisory details via their product-security GitHub repository. The flaw is classified as high severity given its potential impact on code execution and data integrity. No patch or mitigation details are explicitly mentioned in the article content, but the advisory reference suggests NVIDIA is addressing the issue. This vulnerability is particularly notable given Megatron Bridge's role in AI/ML infrastructure environments.