PT-2026-55726 · Onnx · Onnx

M00Dy · Published 2026-07-04 · Updated 2026-07-04 · CVE-2026-14647

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions onnx versions prior to 1.22.0

Description A weakness in the onnxruntime component allows for a remote out-of-bounds read. This occurs within the convPoolShapeInference opset19() function located in the onnx/defs/nn/old.cc file.

Recommendations Apply patch a7bf3a0f1d18bb62575236ef6e4944980c40e045 to resolve the issue. As a temporary mitigation, restrict the use of the convPoolShapeInference opset19() function.

Exploit

Fix

Out of bounds Read

Buffer Overflow

Weakness Enumeration

CWE-125

CWE-119

Related Identifiers

CVE-2026-14647

Affected Products

Onnx

References · 11

• 🔥 https://github.com/onnx/onnx/issues/8036 · Exploit
• https://github.com/onnx/onnx/pull/8051 · Patch
• https://github.com/onnx/onnx/commit/a7bf3a0f1d18bb62575236ef6e4944980c40e045 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-14647 · Security Note
• https://vuldb.com/cve/CVE-2026-14647 · Note
• https://vuldb.com/vuln/376160 · Note
• https://vuldb.com/vuln/376160/cti · Note
• https://twitter.com/CVEnew/status/2073509623043108905 · Twitter Post
• https://vuldb.com/submit/846317 · Note
• https://github.com/onnx/onnx · Note
• https://twitter.com/infoflowcloud/status/2073509862118486130 · Twitter Post