MediumVulnerability

CVE-2026-111991: WongKinYiu yolov9 code injection via ONNX Metadata Handler

Source: NVD(opens in a new tab)
Identifier: CVE-2026-111991
Published: October 18, 2026
Record updated: October 18, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.

Summary

A security vulnerability in WongKinYiu yolov9 0.1 affects the DetectMultiBackend.__init__ function in models/common.py, within the ONNX Metadata Handler component. Manipulating the names/stride argument leads to code injection, and the attack can be exploited remotely. The exploit is publicly disclosed, and the project was notified through an issue report but has not yet responded.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 6.3(medium)
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Attack vector: network
Attack complexity: low
Privileges required: none
User interaction: required
EPSS: Not scored. FIRST had not published an EPSS score for this CVE when it was last checked on October 18, 2026.
Disclosure date: October 18, 2026

Weaknesses and techniques

Weakness (CWE): CWE-74
CWE-94
Attack pattern (CAPEC): CAPEC-242

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Framework
Impact: Confidentiality,
Integrity,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-111991

First tracked: October 18, 2026 at 02:08 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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