CVE-2026-61753 affects NVIDIA Megatron Bridge, a component likely used in AI/ML infrastructure. The vulnerability involves deserialization of untrusted data, a well-known class of security flaw that can be highly dangerous. A successful exploit could lead to remote code execution, data tampering, and information disclosure. The vulnerability is rated high severity. NVIDIA has published a security advisory via their product-security GitHub repository. The flaw poses significant risk to environments running NVIDIA Megatron Bridge, particularly in AI training or large-scale distributed computing contexts. Organizations using this product should apply patches or mitigations as soon as they become available. The CVE is tracked on both NVD and CVE.org.