# CVE-2026-47477: NVIDIA Triton Inference Server stack-based buffer overflow

Source: https://junglewise.ai/threats/cve-2026-47477-nvidia-triton-inference-server-stack-based-buffer-overflow  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-14. Updated: 2026-07-14  
License: CC BY 4.0 with a link back

CVE-2026-47477 · Severity: high · CVSS 7.5 · Published 2026-07-14

NVIDIA Triton Inference Server, a platform used to deploy and manage AI models in production, is affected by a security vulnerability. An attacker could exploit this flaw to crash the server, leading to a denial of service. This would disrupt AI-driven applications and services that rely on the server for real-time processing.

Technologies: [Nvidia Triton Inference Server](https://junglewise.ai/threats/technologies/triton-inference-server). Vendors: [Nvidia](https://junglewise.ai/threats/vendors/nvidia).

## Quick answers

**Is CVE-2026-47477 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-47477 being exploited in the wild.

**How severe is CVE-2026-47477?** High severity, with a CVSS score of 7.5, published 14 July 2026.

**Which products and versions are affected?** Nvidia Triton Inference Server <= 26.04.

**Is there a fix for CVE-2026-47477?** 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-2026-47477 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-47477?** Check whether you run Nvidia Triton Inference Server 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

A stack-based buffer overflow vulnerability (CWE-121) exists in NVIDIA Triton Inference Server for Linux. The flaw can be triggered by a remote, unauthenticated attacker over the network without any user interaction. A successful exploit allows the attacker to cause a crash of the inference service, resulting in a denial of service (DoS) condition. The vulnerability is confirmed to affect versions up to and including 26.04.

## Affected products

- NVIDIA Triton Inference Server <= 26.04

## Timeline

- 2026-07-14: advisory: NVIDIA published the vulnerability details.
- 2026-07-14: disclosed: CVE-2026-47477 was published to the NVD.

## References

- [https://www.cve.org/CVERecord?id=CVE-2026-47477](https://www.cve.org/CVERecord?id=CVE-2026-47477)

## Related threats

- [NVIDIA Triton Inference Server authorization bypass](https://junglewise.ai/threats/cve-2026-47625-nvidia-triton-inference-server-authorization-bypass)
- [NVIDIA Triton Inference Server excessive iteration denial of service](https://junglewise.ai/threats/cve-2026-16497-nvidia-triton-inference-server-excessive-iteration-denial-of)
- [NVIDIA Triton Inference Server path traversal](https://junglewise.ai/threats/cve-2026-47630-nvidia-triton-inference-server-path-traversal)
- [NVIDIA Triton Inference Server improper input validation](https://junglewise.ai/threats/cve-2026-47629-nvidia-triton-inference-server-improper-input-validation)
- [NVIDIA Triton Inference Server resource exhaustion denial of service](https://junglewise.ai/threats/cve-2026-47628-nvidia-triton-inference-server-resource-exhaustion-denial-of)