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 high-severity vulnerability affecting NVIDIA Megatron Bridge. The flaw involves deserialization of untrusted data, which can be exploited by an attacker to achieve remote code execution, data tampering, and information disclosure. The vulnerability is documented in the National Vulnerability Database (NVD) and referenced in NVIDIA's official product security repository. No authentication or user interaction details are specified in the available content. The potential impact is significant given the combination of code execution and data exposure risks. NVIDIA has published a security advisory linked from their GitHub product-security repository. Organizations using NVIDIA Megatron Bridge should monitor for patches and apply mitigations promptly.