# CVE-2026-67456: NVIDIA Warp heap buffer overflow

Source: https://junglewise.ai/threats/cve-2026-67456-nvidia-warp-contains-a-vulnerability-where-an-attacker-could  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-67456 · Severity: medium · CVSS 4.4 · Published 2026-10-13

NVIDIA Warp is a Python library for GPU-accelerated computing. A heap buffer overflow vulnerability could allow an attacker to cause a denial of service, potentially disrupting applications that depend on Warp for GPU computations.

Vendors: [Nvidia](https://junglewise.ai/threats/vendors/nvidia).

## Quick answers

**Is CVE-2026-67456 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-67456 being exploited in the wild.

**How severe is CVE-2026-67456?** Medium severity, with a CVSS score of 4.4, published 13 October 2026.

**Which products and versions are affected?** NVIDIA Warp.

**Is there a fix for CVE-2026-67456?** 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-2026-67456 attacked?** It is attacked over the network or with local access, in a software library.

**Am I affected by CVE-2026-67456?** Check whether you run Nvidia Warp. 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 heap-based buffer overflow exists in NVIDIA Warp that could be triggered by a malicious input or operation. Successful exploitation leads to denial of service. The vulnerability requires user interaction or application-level attack vectors to trigger.

## Affected products

- NVIDIA Warp

## Timeline

- 2026-10-13: disclosed

## References

- [https://github.com/NVIDIA/product-security/tree/main/2026/5901](https://github.com/NVIDIA/product-security/tree/main/2026/5901)
- [https://www.cve.org/CVERecord?id=CVE-2026-67456](https://www.cve.org/CVERecord?id=CVE-2026-67456)