CVE-2026-111991
WongKinYiu yolov9 ONNX Metadata common.py DetectMultiBackend.__init__ code injection
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 18, 2026
- Updated
- Oct 22, 2026
- Reserved
- Oct 17, 2026
Description
A security vulnerability has been detected in WongKinYiu yolov9 0.1. This vulnerability affects the function DetectMultiBackend.__init__ of the file models/common.py of the component ONNX Metadata Handler. The manipulation of the argument names/stride leads to code injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
yolov9WongKinYiu |
|
References
- VDB-421656 | WongKinYiu yolov9 ONNX Metadata common.py DetectMultiBackend.__init__ code injectionvdb-entrytechnical-description
- VDB-421656 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-111991 | CVE Analysis and Reportthird-party-advisory
- Submit #1007973 | WongKinYiu yolov9 up to commit 5b1ea9a8b3f0ffe4fe0e203ec6232d788bb3fcff (master HEAD, 2024-06-10) Code Injectionthird-party-advisory
- https://github.com/WongKinYiu/yolov9/issues/670exploitissue-tracking
- https://github.com/WongKinYiu/yolov9/product
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