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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.

PUBLISHED Reserved 2026-06-05 | Published 2026-06-05 | Updated 2026-06-08 | Assigner VulDB




LOW: 2.0CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
LOW: 3.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C
LOW: 3.6CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C
2.4AV:L/AC:H/Au:S/C:N/I:P/A:P/E:ND/RL:OF/RC:C

Problem types

Use of Weak Hash

Risky Cryptographic Algorithm

Product status

0.5.0
affected

Timeline

2026-06-05:Advisory disclosed
2026-06-05:VulDB entry created
2026-06-05:VulDB entry last update

Credits

Dem00 (VulDB User) reporter

References

vuldb.com/vuln/368865 (VDB-368865 | onnx onnx-mlir Placeholder Node Cache backend.py generate_hash_key weak hash) vdb-entry technical-description

vuldb.com/vuln/368865/cti (VDB-368865 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-11329 (CVE-2026-11329 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/832358 (Submit #832358 | onnx onnx-mlir v0.5.0.0 cache key collision) third-party-advisory

github.com/onnx/onnx-mlir/pull/3427 issue-tracking patch

github.com/...ommit/72c5187ff6d13c2c2b3d3789b8f5faf99f08a5b4 patch

github.com/onnx/onnx-mlir/ product

cve.org (CVE-2026-11329)

nvd.nist.gov (CVE-2026-11329)

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