PYSEC-2026-1856 PyTorch Vulnerable to Remote Code Execution via Untrusted Checkpoint Files

Summary A vulnerability in PyTorch's weightsonly unpickler allows an attacker to craft a malicious checkpoint file .pth that, when loaded with torch.load..., weightsonly=True, can corrupt memory and potentially lead to arbitrary code execution. Vulnerability Details The weightsonly=True unpickler...

PYSEC-2026-1373 Fickling has a bypass via runpy.run_path() and runpy.run_module()

Fickling's assessment runpy was added to the list of unsafe imports https://github.com/trailofbits/fickling/commit/9a2b3f89bd0598b528d62c10a64c1986fcb09f66. Original report Summary Fickling versions up to and including 0.1.6 do not treat Python’s runpy module as unsafe. Because of this, a malicio...

PYSEC-2026-1785 Picklescan has Incomplete List of Disallowed Inputs

Summary Currently picklescanner only blocks some specific functions of the pydoc and operator modules. Attackers can use other functions within these allowed modules to go through undetected and achieve RCE on the final user. Particularly pydoc.locate: Can dynamically resolve and import arbitrary...

PYSEC-2026-1790 Picklescan Bypasses Unsafe Globals Check using pty.spawn

Summary The vulnerability allows malicious actors to bypass PickleScan's unsafe globals check, leading to potential arbitrary code execution. The issue stems from the absence of the pty library more specifically, of the pty.spawn function from PickleScan's list of unsafe globals. This vulnerabili...

PYSEC-2026-2000 Universal Tool Calling Protocol (UTCP) client library for Python vulnerable to Trust Boundary Violation through Manual JSON specification

The vulnerability arises when a client fetches a tools’ JSON specification, known as a Manual, from a remote Manual Endpoint. While a provider may initially serve a benign manual e.g., one defining an HTTP tool call, earning the clients’ trust, a malicious provider can later change the manual to...

PYSEC-2026-1762 Arbitrary Code Execution in pdfminer.six via Crafted PDF Input

Summary pdfminer.six will execute arbitrary code from a malicious pickle file if provided with a malicious PDF file. The CMapDB.loaddata function in pdfminer.six uses pickle.loads to deserialize pickle files. These pickle files are supposed to be part of the pdfminer.six distribution stored in th...

PYSEC-2026-1135 Apache Airflow has a command injection vulnerability in "example_dag_decorator"

An example dag exampledagdecorator had non-validated parameter that allowed the UI user to redirect the example to a malicious server and execute code on worker. This however required that the example dags are enabled in production not default or the example dag code copied to build your own...

PYSEC-2026-1453 Home Assistant has Stored XSS vulnerability in Energy dashboard from Energy Entity Name

Summary An authenticated party can add a malicious name to the Energy entity, allowing for Cross-Site Scripting attacks against anyone who can see the Energy dashboard, when they hover over any information point The blue bar in the picture below An alternative, and more impactful scenario, is tha...

PYSEC-2026-1792 Picklescan is missing detection when calling built-in python ensurepip._run_pip

Summary Using ensurepip.runpip function, which is a built-in python library function to execute remote pickle file. Details The attack payload executes in the following steps: First, the attacker craft the payload by calling to ensurepip.runpip function in reduce method Then when the victim after...

PYSEC-2026-1786 Picklescan has a missing detection when calling built-in python idlelib.calltip.Calltip

Summary Using idlelib.calltip.Calltip.fetchtip, which is a built-in python library function to execute remote pickle file. Details The attack payload executes in the following steps: First, the attacker craft the payload by calling to idlelib.calltip.Calltip.fetchtip function in reduce method The...

PYSEC-2026-1607 MaterialX Null Pointer Dereference in MaterialXCore Shader Generation due to Unchecked implGraphOutput

Summary When parsing shader nodes in a MTLX file, the MaterialXCore code accesses a potentially null pointer, which can lead to crashes with maliciously crafted files. Details In source/MaterialXCore/Material.cpp, the following code extracts the output nodes for a given implementation graph: cpp...

Aim vulnerable to Cross-site Scripting

Cross-site Scripting XSS in aimhubio Aim 3.28.0 allows remote attackers to execute arbitrary JavaScript in victims browsers via malicious Python code submitted to the /api/reports endpoint, which is interpreted and executed by Pyodide when the report is viewed. No sanitisation or sandbox...

PYSEC-2026-1087 Aim vulnerable to Cross-site Scripting

Cross-site Scripting XSS in aimhubio Aim 3.28.0 allows remote attackers to execute arbitrary JavaScript in victims browsers via malicious Python code submitted to the /api/reports endpoint, which is interpreted and executed by Pyodide when the report is viewed. No sanitisation or sandbox...

PYSEC-2026-1872 Requests vulnerable to .netrc credentials leak via malicious URLs

Impact Due to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third parties for specific maliciously-crafted URLs. Workarounds For older versions of Requests, use of the .netrc file can be disabled with trustenv=False on your Requests Session docs. References...

Requests vulnerable to .netrc credentials leak via malicious URLs

ImpactDue to a URL parsing issue, Requests releases prior to 2.32.4 may leak .netrc credentials to third parties for specific maliciously-crafted URLs. WorkaroundsFor older versions of Requests, use of the .netrc file can be disabled with trustenv=False on your Requests Session docs...

PYSEC-2026-1675 Mobile Security Framework (MobSF) Allows Stored Cross Site Scripting (XSS) via malicious SVG Icon Upload

Vulnerable MobSF Versions: .svg This file becomes publicly accessible via the web interface at: http://127.0.0.1:8081/download/filename.svg If the SVG contains embedded JavaScript e.g., an XSS payload, accessing this URL via a browser leads to the execution of the script in the context of the Mob...

PYSEC-2026-1069 Malicious code in instructor-mcp (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of instructor-mcp were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials...

Malicious code in evm-typechain (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0a78b4d04410e295cbe340c95e6800a0777717d46ce136f0c30b5593d1bd9738 On require, index.js issues an HTTPS GET to https://www.jsonkeeper.com/b/PC5CK, passes the returned JSON cookie field to new Function'require',..., a...

MAL-2026-6932 Malicious code in evm-typechain (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0a78b4d04410e295cbe340c95e6800a0777717d46ce136f0c30b5593d1bd9738 On require, index.js issues an HTTPS GET to https://www.jsonkeeper.com/b/PC5CK, passes the returned JSON cookie field to new Function'require',..., a...

PYSEC-2026-1068 Malicious code in dreamgen (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of dreamgen were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...