onnx onnx-mlir Placeholder Node Cache backend.py generate_hash_key weak hash
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- None · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-327.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11329
- 2026-10-03 Alias added: GHSA-h7gg-9w38-vh5g
References
More onnx vulnerabilities
- TI-2026-22763 ONNX Untrusted Model Repository Warnings Suppressed by silent=True in onnx.hub.load() — Silent Supply-Chain Attack CVSS 3.1CRITICAL 9.1
- TI-2026-21896 ONNX: Path Traversal via Symlink CVSS 4.0HIGH 8.7
- TI-2024-07209 Arbitrary File Overwrite in onnx/onnx CVSS 3.1CRITICAL 9.1
- TI-2024-04814 Arbitrary File Overwrite in download_model_with_test_data in onnx/onnx CVSS 3.1HIGH 8.8
- TI-2026-36338 ONNX symlink-following and path-traversal arbitrary file write CVSS 4.0MEDIUM 6.8
- TI-2026-32442 ONNX: Null Pointer Dereference in Upsample Version Converter Adapter (Zero Inputs) CVSS 3.1MEDIUM 5.5
Sources
- CVE-2026-11329 · CVE Program
- CVE-2026-11329 · NVD
- FIRST EPSS
- GHSA-h7gg-9w38-vh5g · GitHub Advisory Database · CC BY 4.0
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