CVE-2025-65886

A shape mismatch vulnerability in OneFlow v0.9.0 allows attackers to cause a Denial of Service (DoS) via supplying crafted tensor shapes

High · published January 28, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
35.4
In the wild
Unconfirmed
What it is

⚡ A cleverly crafted tensor shape can turn your OneFlow game into a Denial of Service disaster! 🔥 Think of it like a restaurant taking in an order for 1000 pancakes when they only have enough ingredients for 10. The kitchen gets overwhelmed, and the whole operation grinds to a halt! If an attacker exploits this shape mismatch vulnerability, it could lead to a full shutdown of your application. Imagine your service being unable to handle requests, leaving users frustrated and unable to access essential features—absolutely devastating for business!

Put simply

Think of it like a restaurant taking in an order for 1000 pancakes when they only have enough ingredients for 10. The kitchen gets overwhelmed, and the whole operation grinds to a halt! This vulnerability in OneFlow v0.9.0 arises from improper handling of tensor shapes, allowing attackers to supply malformed shapes that lead to a Denial of Service condition.

What to do

If an attacker exploits this shape mismatch vulnerability, it could lead to a full shutdown of your application. Imagine your service being unable to handle requests, leaving users frustrated and unable to access essential features—absolutely devastating for business! Update to OneFlow version 0.9.1 or later immediately to close this vulnerability. Additionally, implement validation checks on input tensor shapes to ensure they conform to expected formats. Regularly review and audit your libraries for known vulnerabilities! You've got this! Follow these steps, and you'll be back on track in no time! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00422 · 35.4th percentile
Published
2026-01-28T00:00Z
EPSS history
Timeline
  • 28 JAN 00:00Z
    A shape mismatch vulnerability in OneFlow v0.9.0 allows attackers to cause a Denial of Service (DoS) via supplying crafted tensor shapes
    cvelistv5