Medium severity · published Jul 4, 2026
CVE-2026-14647
onnx onnxruntime old.cc convPoolShapeInference_opset19 out-of-bounds
4.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ON
onnx · Onnx
1.0; 1.1; 1.2; 1.3; 1.4; 1.5; +16 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-14647
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-14647
github.com
https://github.com/onnx/onnx/
github.com
https://github.com/onnx/onnx/commit/a7bf3a0f1d18bb62575236ef6e4944980c40e045
github.com
https://github.com/onnx/onnx/issues/8036
github.com
https://github.com/onnx/onnx/pull/8051
vuldb.com
https://vuldb.com/cve/CVE-2026-14647
vuldb.com
https://vuldb.com/submit/846317
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