CVE-2026-111991: Code Injection in WongKinYiu yolov9
Description
CVE-2026-111991 is a code injection vulnerability in WongKinYiu yolov9 version 0.1. It affects the DetectMultiBackend.__init__ function in the models/common.py file, specifically the ONNX Metadata Handler component. The vulnerability arises from manipulation of the argument names/stride, allowing remote code injection. The issue was reported early to the project but remains unaddressed. The CVSS score is 5.3, indicating a medium severity level.
CVSS v4.0
Score 5.3medium
Affected software
WongKinYiu
yolov9
cpe:2.3:a:wongkinyiu:yolov9:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in WongKinYiu yolov9 0.1 involves code injection via the DetectMultiBackend.__init__ function in models/common.py, related to the ONNX Metadata Handler. Manipulating the argument names/stride parameters can lead to remote code injection. The vulnerability is publicly disclosed, with no known exploits in the wild and no vendor response or patch available at this time.
Potential Impact
Successful exploitation allows remote attackers to inject and execute arbitrary code within the context of the vulnerable application. This can lead to unauthorized actions depending on the privileges of the application process. The vulnerability has a medium severity score (CVSS 5.3) and does not require privileges or user interaction to exploit, but has low to limited impact on confidentiality, integrity, and availability.
Mitigation Recommendations
No official fix or patch is currently available, and the vendor has not responded to the issue report. Users should monitor the vendor's advisories for updates. Until a patch is released, avoid exposing the vulnerable component to untrusted inputs or networks to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-17T22:17:11.623Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad4e36d2cdf04f6567bbf3b
Added to database: 10/18/2026, 15:19:09 UTC
Last enriched: 10/18/2026, 15:33:15 UTC
Last updated: 10/18/2026, 23:48:08 UTC
Views: 12
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