What’s Vulnerable › Vulnerabilities

CVE-2026-14647: onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-bounds

• Severity: medium (CVSS 4.3 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: 2026-07-04 · updated 2026-07-06
• Weakness: CWE-119

Description

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.

Affected products

• onnx: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5 (+16)

References

• https://github.com/onnx/onnx/
• https://github.com/onnx/onnx/commit/a7bf3a0f1d18bb62575236ef6e4944980c40e045
• https://github.com/onnx/onnx/issues/8036
• https://github.com/onnx/onnx/pull/8051
• https://vuldb.com/cve/CVE-2026-14647
• https://vuldb.com/submit/846317
• https://vuldb.com/vuln/376160
• https://vuldb.com/vuln/376160/cti

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