Security Bulletin: NVIDIA Model Optimizer - March 2026

NVIDIA has released a software update for NVIDIA® Model Optimizer. To protect your system, clone or update this software to ModelOpt 0.41.0 Release or later from NVIDIA Github. Go to NVIDIA Product Security. Details The following table summarizes the potential vulnerabilities that this security...

PT-2026-27313

Name of the Vulnerable Software and Affected Versions chunjun versions prior to 1.16.1 Description An unreliable data deserialization issue exists in DTStack chunjun, specifically within the chunjun-core/src/main/java/com/dtstack/chunjun/util modules. The problem is linked to the GsonUtil.Java...

NVIDIA Model Optimizer 代码问题漏洞

NVIDIA Model Optimizer is a tool component developed by NVIDIA Corporation that optimizes the performance of deep learning models and improves inference efficiency. NVIDIA Model Optimizer has a code vulnerability, which stems from an insecure deserialization issue in the ONNX quantization functio...

NVIDIA Apex 代码问题漏洞

NVIDIA Apex is a set of useful tools provided by NVIDIA Corporation in the United States. NVIDIA Apex has code-related vulnerabilities; these vulnerabilities stem from the possibility of deserializing unreliable data, which can lead to code execution, denial of service, privilege escalation, data...

PT-2026-27504

Name of the Vulnerable Software and Affected Versions NVIDIA APEX for Linux affected versions not specified Description The software contains a flaw where an attacker could cause deserialization of untrusted data. A successful exploit could lead to code execution, denial of service, escalation of...

Security Bulletin: NVIDIA Apex - March 2026

NVIDIA has released an update for NVIDIA® Apex to address a security issue. To protect your system, clone or update NVIDIA Apex to include commit db8e053 or later from NVIDIA Apex. Ensure that your environment uses PyTorch 2.6 or later from PyTorch. Go to NVIDIA Product Security. Details The...

NVIDIA Megatron-LM 代码问题漏洞

NVIDIA Megatron-LM is a distributed training framework based on PyTorch developed by NVIDIA Corporation in the United States. It is specifically designed for training large-scale Transformer language models. NVIDIA Megatron-LM has code vulnerabilities, particularly an issue related to the...

Linux Distros Unpatched Vulnerability : CVE-2026-4538

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was identified in PyTorch 2.10.0. The affected element is an unknown function of the component pt2 Loading Handler. The manipulation leads to...

TencentOS Server 4: ocaml (TSSA-2026:0175)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0175 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

CVE-2026-4681

A critical remote code execution RCE vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0,...

CVE-2026-4681

A critical remote code execution RCE vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0,...

CVE-2026-4681 Critical Remote Code Execution vulnerability reported in Windchill

A critical remote code execution RCE vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0,...

CVE-2026-4681

CVE-2026-4681 describes a critical remote code execution in PTC Windchill and PTC FlexPLM via deserialization of untrusted data. Affected: Windchill PDMLink 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0; FlexPLM 11.0 M030, 11.1 M020, 11.2.1.0...

CVE-2026-4681 Critical Remote Code Execution vulnerability reported in Windchill

A critical remote code execution RCE vulnerability has been reported in PTC Windchill and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data. This issue affects Windchill PDMLink: 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0,...

CVE-2026-4538

A flaw was found in PyTorch. A local user can exploit a deserialization vulnerability within an unknown function of the pt2 Loading Handler component. This flaw could allow for information disclosure, data manipulation, or denial of service...

PT-2026-27248

Name of the Vulnerable Software and Affected Versions Windchill PDMLink versions 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, 13.1.3.0 FlexPLM versions 11.0 M030, 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.0.3.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, 13.0.3...

PTC FlexPLM和PTC Windchill PDMLink 安全漏洞

PTC FlexPLM and PTC Windchill PDMLink are products of PTC, a US-based company. PTC FlexPLM is a Product Lifecycle Management system designed specifically for the retail, fashion, and clothing industries. PTC Windchill PDMLink is a Product Data Management link system used to manage and share produ...

Deserialization of Untrusted Data

Overview torch is a Tensors and Dynamic neural networks in Python with strong GPU acceleration Affected versions of this package are vulnerable to Deserialization of Untrusted Data in the .pt2 Loading Handler. An attacker can execute arbitrary code or alter application behavior by providing...

EUVD-2026-14280

A vulnerability was identified in PyTorch 2.10.0. The affected element is an unknown function of the component pt2 Loading Handler. The manipulation leads to deserialization. The attack can only be performed from a local environment. The exploit is publicly available and might be used. The projec...

PYSEC-2026-139

A vulnerability was identified in PyTorch 2.10.0. The affected element is an unknown function of the component pt2 Loading Handler. The manipulation leads to deserialization. The attack can only be performed from a local environment. The exploit is publicly available and might be used. The projec...