7.8High
Nvidia Nemo Megatron Bridge
CVE-2026-61778
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.
What this means for your business
- It affects Nvidia Nemo Megatron Bridge. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it only with access to the machine itself, with an ordinary user login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.2% chance of attack attempts being seen in the next 30 days, ranking above 10% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Nvidia Nemo Megatron Bridge, and which version. The affected versions are listed further down this page.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 7.8 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness
- CWE-502
- Assigned by
- psirt@nvidia.com
Dates
- Published
- 2026-09-01
- Last modified
- 2026-09-02
- Sources
- NVD
Affected products
- Nvidia Nemo Megatron Bridge- 0.5.1
As listed in the NVD configuration data. Not a statement about your estate.