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-2026-61757 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 disclose sensitive information. The vulnerability is catalogued by NVD at NIST and also tracked by the CVE program. NVIDIA has published security advisories referencing this CVE in their product-security GitHub repository. The current criticality is rated High, reflecting the severe potential impact of successful exploitation. No additional technical details or proof-of-concept code are mentioned in the article.