What’s Vulnerable › Vulnerabilities

CVE-2026-111991: WongKinYiu yolov9 ONNX Metadata common.py DetectMultiBackend.__init__ code injection

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-18 · updated 2026-10-22
• Weakness: CWE-74

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.

Affected products

• WongKinYiu yolov9: 0.1

References

• https://github.com/WongKinYiu/yolov9/
• https://github.com/WongKinYiu/yolov9/issues/670
• https://vuldb.com/cve/CVE-2026-111991
• https://vuldb.com/submit/1007973
• https://vuldb.com/vuln/421656
• https://vuldb.com/vuln/421656/cti

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