Is CVE-2025-65891 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2025-65891 being exploited in the wild.

How severe is CVE-2025-65891?

High severity, with a CVSS score of 7.5, published 28 January 2026.

Is there a fix for CVE-2025-65891?

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-2025-65891 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2025-65891?

Check whether you run Oneflow. 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.

CVE-2025-65891: OneFlow GPU device-ID validation denial of service in get_device_properties

CVE-2025-65891 · Severity: high · CVSS 7.5 · Published 2026-01-28

OneFlow is a deep learning framework used for building and scaling artificial intelligence models. A flaw in how the software handles GPU hardware requests allows an attacker to crash the application by providing an invalid or negative hardware identifier. This results in a denial-of-service, potentially disrupting AI training workloads or production inference services.

Technologies: Oneflow. Vendors: Oneflow.

Quick answers

Is CVE-2025-65891 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2025-65891 being exploited in the wild.
How severe is CVE-2025-65891?: High severity, with a CVSS score of 7.5, published 28 January 2026.
Which products and versions are affected?: Oneflow-Inc OneFlow 0.9.0.
Is there a fix for CVE-2025-65891?: 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-2025-65891 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2025-65891?: Check whether you run Oneflow. 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 denial-of-service vulnerability exists in OneFlow v0.9.0 due to improper validation of GPU device indices. The flaw is located in the flow.cuda.get_device_properties() function, which fails to sanitize the device_id input before passing it to the underlying CUDA API. Specifically, providing a negative or out-of-bounds integer causes a failed assertion in cudaSetDevice() within cuda_util.cpp, leading to a core dump and application crash. An attacker capable of influencing the device index parameter in a running OneFlow environment can trigger this crash without authentication. As of the advisory, the issue was identified in version 0.9.0.

Affected products

Oneflow-Inc OneFlow 0.9.0

Timeline

2025-06-30: disclosed: Issue reported on GitHub repository
2026-01-28: advisory: CVE published to NVD

References

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