CVE-2026-14647

mediumCVSS 4.3covered by 2 sourcesfirst seen 2026-07-02

A weakness has been identified in onnx up to 1.21.x. This vulnerability affects the function convPoolShapeInference_opset19 of the file onnx/defs/nn/old.cc of the component onnxruntime. This manipulation causes out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Patch name: a7bf3a0f1d18bb62575236ef6e4944980c40e045. It is recommended to apply a patch to fix this issue.

CSIRTS triage

What: There is an out-of-bounds vulnerability in onnxruntime.
Who is affected: Deployments of onnxruntime are affected.
Urgency: Remediation is medium urgency due to the potential for exploitation.
Action: Update to the latest version of onnxruntime.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Low exploitation risk0.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all EPSS-scored CVEs.

Advisory coverage (2)

mediumCVE-2026-14647: A weakness has been identified in onnx up to 1.21.x. This vulnerability affects the function c…nvd · 2026-07-04
mediumCVE-2026-14647: onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-boundsmsrc · 2026-07-02

External references

NVD record for CVE-2026-14647

CVE.org record

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