CVE-2026-11329

LOW

onnx onnx-mlir Placeholder Node Cache backend.py generate_hash_key weak hash

Title source: cna
STIX 2.1

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.

References (7)

Core 7
Core References
Third Party Advisory third-party-advisory
Submit #832358 | onnx onnx-mlir v0.5.0.0 cache key collision
https://vuldb.com/submit/832358
Patch issue-tracking patch
https://github.com/onnx/onnx-mlir/pull/3427
Vdb Entry, Technical Description vdb-entry technical-description
VDB-368865 | onnx onnx-mlir Placeholder Node Cache backend.py generate_hash_key weak hash
https://vuldb.com/vuln/368865
Signature, Permissions Required signature permissions-required
VDB-368865 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/368865/cti
Third Party Advisory third-party-advisory
CVE-2026-11329 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-11329

Scores

CVSS v3 3.6
EPSS 0.0008
EPSS Percentile 0.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-327 CWE-328
Status published
Products (1)
onnx/onnx-mlir 0.5.0
Published Jun 05, 2026
Tracked Since Jun 05, 2026