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-2026-61765 is a high-severity vulnerability identified in NVIDIA Megatron Bridge. The flaw involves deserialization of untrusted data, a well-known class of security weakness that can be exploited by attackers to achieve remote code execution, manipulate data, and exfiltrate sensitive information. NVIDIA has published a security advisory linked through their product-security GitHub repository. The vulnerability is tracked on both the NVD and CVE.org databases. Successful exploitation could have serious consequences for affected deployments, including full system compromise. Organizations using NVIDIA Megatron Bridge are advised to review the advisory and apply any available patches or mitigations promptly. The current criticality rating is High.