CVE-2026-61778 is a high-severity vulnerability identified in NVIDIA Megatron Bridge. The flaw involves deserialization of untrusted data, which can be exploited by an attacker to achieve remote code execution, tamper with data, and disclose sensitive information. The vulnerability was published via the NVD and NVIDIA's product security advisory. No authentication bypass or exploit code details are provided in the article, but the potential impact is significant given the three major consequence categories: code execution, data tampering, and information disclosure. NVIDIA has published a security advisory on GitHub under their product-security repository. Users and administrators of NVIDIA Megatron Bridge are advised to review the advisory and apply any available patches or mitigations promptly.
