# onnx (PyPI) vulnerabilities Source: https://junglewise.ai/threats/technologies/onnx Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/onnx.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 18 vulnerabilities in onnx (PyPI): 0 in the last 7 days and 7 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-115922, was published on 26 October 2026. 4 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 4 - Last 90 days: 7 - All time: 18 (0 critical, 0 exploited in the wild) ## About onnx (PyPI) An open-source format for representing machine learning models. ## Latest onnx (PyPI) vulnerabilities - [CVE-2026-115922: ONNX memory exhaustion in packed tensor unpacking](https://junglewise.ai/threats/cve-2026-115922-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [CVE-2026-115921: ONNX null pointer dereference in shape inference](https://junglewise.ai/threats/cve-2026-115921-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [CVE-2026-115920: ONNX ConvTranspose shape inference denial of service](https://junglewise.ai/threats/cve-2026-115920-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [CVE-2026-115919: ONNX out-of-bounds read in RNN shape inference](https://junglewise.ai/threats/cve-2026-115919-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [ONNX TOCTOU race condition in save_external_data](https://junglewise.ai/threats/onnx-toctou-race-condition-in-save-external-data-b85422b8) (high, CVSS 7.1, published 21 Aug 2026) - [CVE-2026-49114: ONNX save_external_data symlink-following file write](https://junglewise.ai/threats/cve-2026-49114-onnx-save-external-data-symlink-following-file-write) (high, CVSS 7.1, published 21 Aug 2026) - [CVE-2026-63632: ONNX heap overflow in Gemm version converter adapter](https://junglewise.ai/threats/cve-2026-63632-onnx-heap-overflow-in-gemm-version-converter-adapter) (low, CVSS 3.3, published 18 Aug 2026) - [CVE-2026-44512: ONNX null pointer dereference in version_converter](https://junglewise.ai/threats/cve-2026-44512-onnx-null-pointer-dereference-in-version-converter) (medium, CVSS 5.5, published 8 Jul 2026) - [CVE-2026-34447: ONNX symlink traversal in external data loading](https://junglewise.ai/threats/cve-2026-34447-onnx-symlink-traversal-in-external-data-loading) (medium, CVSS 5.5, published 1 Apr 2026) - [CVE-2026-34446: ONNX: Arbitrary File Read via ExternalData Hardlink Bypass in ONNX load](https://junglewise.ai/threats/cve-2026-34446-onnx-arbitrary-file-read-via-externaldata-hardlink-bypass-in-onnx) (low, CVSS 3.1, published 1 Apr 2026) - [CVE-2026-34445: ONNX: Malicious ONNX models can crash servers by exploiting unprotected object settings.](https://junglewise.ai/threats/cve-2026-34445-onnx-malicious-onnx-models-can-crash-servers-by-exploiting) (low, CVSS 3.1, published 1 Apr 2026) - [CVE-2026-27489: ONNX path traversal via symlink in external data handling](https://junglewise.ai/threats/cve-2026-27489-onnx-path-traversal-via-symlink-in-external-data-handling) (high, CVSS 7.5, published 1 Apr 2026) - [CVE-2026-28500: ONNX security bypass in onnx.hub.load via silent parameter](https://junglewise.ai/threats/cve-2026-28500-onnx-security-bypass-in-onnx-hub-load-via-silent-parameter) (high, CVSS 8.6, published 18 Mar 2026) - [CVE-2024-7776: Open Neural Network Exchange (ONNX) Path Traversal Vulnerability](https://junglewise.ai/threats/cve-2024-7776-open-neural-network-exchange-onnx-path-traversal-vulnerability) (low, CVSS 3.1, published 20 Mar 2025) - [CVE-2024-5187: ONNX path traversal in download_model_with_test_data](https://junglewise.ai/threats/cve-2024-5187-onnx-path-traversal-in-download-model-with-test-data) (high, CVSS 8.8, published 6 Jun 2024) - [CVE-2024-27318: Onnx Directory Traversal vulnerability](https://junglewise.ai/threats/cve-2024-27318-onnx-directory-traversal-vulnerability) (low, CVSS 3.1, published 23 Feb 2024) - [CVE-2024-27319: Onnx Out-of-bounds Read vulnerability](https://junglewise.ai/threats/cve-2024-27319-onnx-out-of-bounds-read-vulnerability) (low, CVSS 3.1, published 23 Feb 2024) - [CVE-2022-25882: Directory Traversal in onnx](https://junglewise.ai/threats/cve-2022-25882-directory-traversal-in-onnx) (low, CVSS 3.1, published 26 Jan 2023) ## Most severe onnx (PyPI) vulnerabilities - [CVE-2024-5187: ONNX path traversal in download_model_with_test_data](https://junglewise.ai/threats/cve-2024-5187-onnx-path-traversal-in-download-model-with-test-data) (high, CVSS 8.8, published 6 Jun 2024) - [CVE-2026-28500: ONNX security bypass in onnx.hub.load via silent parameter](https://junglewise.ai/threats/cve-2026-28500-onnx-security-bypass-in-onnx-hub-load-via-silent-parameter) (high, CVSS 8.6, published 18 Mar 2026) - [CVE-2026-27489: ONNX path traversal via symlink in external data handling](https://junglewise.ai/threats/cve-2026-27489-onnx-path-traversal-via-symlink-in-external-data-handling) (high, CVSS 7.5, published 1 Apr 2026) - [CVE-2026-49114: ONNX save_external_data symlink-following file write](https://junglewise.ai/threats/cve-2026-49114-onnx-save-external-data-symlink-following-file-write) (high, CVSS 7.1, published 21 Aug 2026) - [ONNX TOCTOU race condition in save_external_data](https://junglewise.ai/threats/onnx-toctou-race-condition-in-save-external-data-b85422b8) (high, CVSS 7.1, published 21 Aug 2026) - [CVE-2026-115920: ONNX ConvTranspose shape inference denial of service](https://junglewise.ai/threats/cve-2026-115920-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [CVE-2026-115919: ONNX out-of-bounds read in RNN shape inference](https://junglewise.ai/threats/cve-2026-115919-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [CVE-2026-115922: ONNX memory exhaustion in packed tensor unpacking](https://junglewise.ai/threats/cve-2026-115922-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [CVE-2026-115921: ONNX null pointer dereference in shape inference](https://junglewise.ai/threats/cve-2026-115921-open-neural-network-exchange-onnx-is-an-open-standard-for) (medium, CVSS 6.2, published 26 Oct 2026) - [CVE-2026-34447: ONNX symlink traversal in external data loading](https://junglewise.ai/threats/cve-2026-34447-onnx-symlink-traversal-in-external-data-loading) (medium, CVSS 5.5, published 1 Apr 2026) ## Vulnerabilities per week 4 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 3 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 4 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other PyPI technologies - [tensorflow (PyPI)](https://junglewise.ai/threats/technologies/pypi-tensorflow): 435 vulnerabilities - [tensorflow-cpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-cpu): 430 vulnerabilities - [tensorflow-gpu (PyPI)](https://junglewise.ai/threats/technologies/tensorflow-gpu): 427 vulnerabilities - [open-webui (PyPI)](https://junglewise.ai/threats/technologies/open-webui): 177 vulnerabilities - [Django (PyPI)](https://junglewise.ai/threats/technologies/django): 173 vulnerabilities - [apache-airflow (PyPI)](https://junglewise.ai/threats/technologies/apache-airflow): 159 vulnerabilities - [pillow (PyPI)](https://junglewise.ai/threats/technologies/pillow): 125 vulnerabilities - [praisonai (PyPI)](https://junglewise.ai/threats/technologies/pypi-praisonai): 120 vulnerabilities - [vllm (PyPI)](https://junglewise.ai/threats/technologies/pypi-vllm): 117 vulnerabilities - [plone (PyPI)](https://junglewise.ai/threats/technologies/pypi-plone): 101 vulnerabilities - [mlflow (PyPI)](https://junglewise.ai/threats/technologies/mlflow): 88 vulnerabilities - [picklescan (PyPI)](https://junglewise.ai/threats/technologies/picklescan): 86 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "onnx (PyPI) vulnerabilities", https://junglewise.ai/threats/technologies/onnx, 13 November 2026.