What’s Vulnerable › Vulnerabilities

CVE-2026-11329: onnx onnx-mlir Placeholder Node Cache backend.py generate_hash_key weak hash

• Severity: low (CVSS 3.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-05 · updated 2026-10-26
• Weakness: CWE-327

Description

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-mlir: 0.5.0

References

• https://github.com/onnx/onnx-mlir/
• https://github.com/onnx/onnx-mlir/commit/72c5187ff6d13c2c2b3d3789b8f5faf99f08a5b4
• https://github.com/onnx/onnx-mlir/pull/3427
• https://vuldb.com/cve/CVE-2026-11329
• https://vuldb.com/submit/832358
• https://vuldb.com/vuln/368865
• https://vuldb.com/vuln/368865/cti

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