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 in NVIDIA Megatron Bridge involving deserialization of untrusted data. An attacker exploiting this flaw could achieve remote code execution, data tampering, and information disclosure. The vulnerability is catalogued by NVD and NVIDIA's product security team. No patch or workaround details are provided in the article. The issue highlights risks associated with unsafe deserialization in AI/ML infrastructure components. NVIDIA has published a security advisory on their GitHub repository. The vulnerability is classified as high impact given the potential consequences of successful exploitation.