CVE-2026-11329: Onnx Onnx-Mlir

Low severity, CVSS 3.6. EPSS: 0.1% chance of exploitation in the next 30 days.

A vulnerability has been found in onnx onnx-mlir up to 0.5.0.0. Affected by this issue is the function generate_hash_key of the file src/Runtime/python/torch_onnxmlir/src/torch_onnxmlir/backend.py of the component Placeholder Node Cache Handler. Such manipulation leads to use of weak hash. An attack has to be approached locally. A high complexity level is associated with this attack. The exploitation is known to be difficult. The name of the patch is 72c5187ff6d13c2c2b3d3789b8f5faf99f08a5b4. Applying a patch is advised to resolve this issue.

Affected products

• Onnx Onnx-Mlir: version 0.5.0 only

Published 2026-06-05. Last modified 2026-06-17.