# CVE-2026-47623: NVIDIA Dynamo for Linux deserialization vulnerability

Source: https://junglewise.ai/threats/cve-2026-47623-nvidia-dynamo-for-linux-deserialization-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-04. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-47623 · Severity: high · CVSS 8.2 · Published 2026-08-04

NVIDIA Dynamo for Linux is a development tool used for PyTorch optimization. The vulnerability allows remote attackers to deserialize untrusted data, potentially leading to service disruptions and unauthorized data modification without requiring authentication or user interaction.

Technologies: [Linux Kernel](https://junglewise.ai/threats/technologies/kernel), [Nvidia Dynamo](https://junglewise.ai/threats/technologies/dynamo), [Nvidia Dynamo for Linux](https://junglewise.ai/threats/technologies/dynamo-for-linux). Vendors: [Linux](https://junglewise.ai/threats/vendors/linux), [Nvidia](https://junglewise.ai/threats/vendors/nvidia).

## Quick answers

**Is CVE-2026-47623 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-47623 being exploited in the wild.

**How severe is CVE-2026-47623?** High severity, with a CVSS score of 8.2, published 4 August 2026.

**Which products and versions are affected?** NVIDIA Dynamo for Linux.

**Is there a fix for CVE-2026-47623?** 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-2026-47623 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-47623?** Check whether you run Linux Kernel, Nvidia Dynamo or Nvidia Dynamo for Linux. 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 Dynamo for Linux that permits an attacker to process untrusted serialized data. The attack vector is network-based and does not require prior authentication. Successful exploitation can result in denial of service and data tampering. The precise root cause and vulnerable component details are not disclosed in available references, but the issue affects the core serialization handling of the product.

## Affected products

- NVIDIA Dynamo for Linux

## Timeline

- 2026-08-04: disclosed

## References

- [https://github.com/NVIDIA/product-security/tree/main/2026/5842](https://github.com/NVIDIA/product-security/tree/main/2026/5842)
- [https://www.cve.org/CVERecord?id=CVE-2026-47623](https://www.cve.org/CVERecord?id=CVE-2026-47623)

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