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-2026-61758 is a deserialization of untrusted data vulnerability affecting NVIDIA Megatron Bridge. An attacker exploiting this flaw could achieve remote code execution, tamper with data, and cause information disclosure. The vulnerability was published via NVD and has a high criticality rating. NVIDIA has issued a security advisory linked through their product-security GitHub repository. Deserialization vulnerabilities are commonly exploited in enterprise and AI/ML infrastructure components. The impact scope includes confidentiality, integrity, and availability. Users of NVIDIA Megatron Bridge are advised to review the advisory and apply mitigations or patches promptly.