Quick answers
- Is CVE-2026-61765 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-61765 being exploited in the wild.
- How severe is CVE-2026-61765?
- High severity, with a CVSS score of 7.8, published 1 September 2026.
- Which products and versions are affected?
- Nvidia Megatron-Bridge <UNKNOWN>.
- Is there a fix for CVE-2026-61765?
- 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-2026-61765 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-61765?
- Check whether you run Nvidia Megatron-Bridge or Nvidia Nemo Megatron Bridge at an affected version. 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
This vulnerability is a classic unsafe deserialization flaw in NVIDIA Megatron Bridge. An attacker can supply untrusted serialized data that, when deserialized by the application, triggers arbitrary code execution. The attack vector appears to be network-accessible (via model loading or checkpoint deserialization), though specific preconditions and authentication requirements are not detailed in the available advisory excerpts. Successful exploitation leads to remote code execution, data tampering, and information disclosure. Patch availability is not explicitly stated in the provided information.
Affected products
- NVIDIA Megatron Bridge <UNKNOWN>
Timeline
- 2026-09-01: disclosed