3.6
LOW CVSS 3.1
CVE-2026-11329
onnx onnx-mlir Placeholder Node Cache backend.py generate_hash_key weak hash
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.

INFO

Published Date :

June 5, 2026, 1:16 p.m.

Last Modified :

June 5, 2026, 1:26 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-11329 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 LOW [email protected]
CVSS 4.0 LOW [email protected]
Solution
Apply the provided patch to address the weak hash vulnerability in the Placeholder Node Cache Handler.
  • Apply the patch 72c5187ff6d13c2c2b3d3789b8f5faf99f08a5b4.
  • Update onnx-onnx-mlir to the latest version.
  • Review hash key generation logic for weaknesses.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-11329 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-11329 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-11329 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 05, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
    Added CVSS V2 (AV:L/AC:H/Au:S/C:N/I:P/A:P)
    Added CWE CWE-327
    Added CWE CWE-328
    Added Reference https://github.com/onnx/onnx-mlir/
    Added Reference https://github.com/onnx/onnx-mlir/commit/72c5187ff6d13c2c2b3d3789b8f5faf99f08a5b4
    Added Reference https://github.com/onnx/onnx-mlir/pull/3427
    Added Reference https://vuldb.com/cve/CVE-2026-11329
    Added Reference https://vuldb.com/submit/832358
    Added Reference https://vuldb.com/vuln/368865
    Added Reference https://vuldb.com/vuln/368865/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.