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-2026-61755 is a deserialization of untrusted data vulnerability affecting NVIDIA Megatron Bridge. An attacker exploiting this flaw could achieve remote code execution, tamper with data, or disclose sensitive information. The vulnerability is classified as high severity. NVIDIA has published an advisory via their product-security GitHub repository. The issue is tracked by both NVD and the CVE Program. No specific patch details are included in the article, but references point to NVIDIA's official security advisories. Users of NVIDIA Megatron Bridge should monitor NVIDIA's security channels for mitigations and updates.