Quick answers
- Is CVE-2026-61759 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-61759 being exploited in the wild.
- How severe is CVE-2026-61759?
- High severity, with a CVSS score of 7.8, published 1 September 2026.
- Which products and versions are affected?
- NVIDIA Megatron Bridge.
- Is there a fix for CVE-2026-61759?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-61759 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-61759?
- Check whether you run Nvidia Megatron-Bridge or Nvidia Nemo Megatron Bridge. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a deserialization flaw in NVIDIA Megatron Bridge that permits an attacker to craft and submit malicious serialized data. Without proper validation of untrusted input during deserialization, an attacker can achieve arbitrary code execution, data tampering, or information disclosure. The attack vector and authentication requirements are not fully detailed in the available advisory excerpts, but deserialization vulnerabilities typically require network access or the ability to supply crafted payloads to the vulnerable component. A patch or update addressing this issue should be available from NVIDIA.
Affected products
- NVIDIA Megatron Bridge
Timeline
- 2026-09-01: disclosed