CVE-2026-11329

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

LOW
3.6
CVSS Score
Published: June 5, 2026 at 12:15 PM UTC
Updated: October 26, 2026 at 11:10 AM UTC
1 product affected across 1 vendorOnnx Mlir

Using onnx-mlir by onnx?

Get instant alerts when new vulnerabilities affect onnx-mlir - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
LOW3.6
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions0.5.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/368865
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/368865/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-11329
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/832358
Issue TrackingPatch
Source: cverecord
https://github.com/onnx/onnx-mlir/pull/3427
Product
Source: cverecord
https://github.com/onnx/onnx-mlir/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.6LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-328CWE-327

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card