Low severity · published Jun 5, 2026
CVE-2026-11329
onnx onnx-mlir Placeholder Node Cache backend.py generate_hash_key weak hash
3.6
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ON
onnx-mlir · onnx
0.5.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11329
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11329
github.com
https://github.com/onnx/onnx-mlir/
github.com
https://github.com/onnx/onnx-mlir/commit/72c5187ff6d13c2c2b3d3789b8f5faf99f08a5b4
github.com
https://github.com/onnx/onnx-mlir/pull/3427
vuldb.com
https://vuldb.com/cve/CVE-2026-11329
vuldb.com
https://vuldb.com/submit/832358
vuldb.com
https://vuldb.com/vuln/368865
