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-2026-61776 is a high-severity vulnerability affecting NVIDIA Megatron Bridge, a component likely related to NVIDIA's AI/ML infrastructure. The vulnerability involves deserialization of untrusted data, a well-known attack vector that can allow remote or local attackers to supply malicious serialized objects. Successful exploitation could lead to arbitrary code execution, data tampering, and information disclosure. NVIDIA has published a security advisory on their GitHub product-security repository. The vulnerability is currently undergoing analysis on the NVD. No CVSS score or patch details are explicitly provided in the article, but the high Kans value suggests significant risk. Organizations using NVIDIA Megatron Bridge should monitor NVIDIA's security advisories for patches and mitigations.