PYSEC-2026-289 Azure AI Language Authoring Elevation of Privilege Vulnerability can Lead to RCE

Deserialization of untrusted data in the Azure AI Language Conversations Authoring client library for Python allows an unauthorized attacker to execute code over a network...

PYSEC-2026-575 wolfSSL Python module vulnerable to Improper Authentication

A vulnerability in the handling of verifymode = CERTREQUIRED in the wolfssl Python package wolfssl-py causes client certificate requirements to not be fully enforced. Because the WOLFSSLVERIFYFAILIFNOPEERCERT flag was not included, the behavior effectively matched CERTOPTIONAL: a peer certificate...

PYSEC-2026-531 Semantic Kernel has Arbitrary File Write via AI Agent Function Calling in .NET SDK

Impact What kind of vulnerability is it? Who is impacted? An Arbitrary File Write vulnerability has been identified in Microsoft's Semantic Kernel .NET SDK, specifically within the SessionsPythonPlugin. Developers who have built applications which include Microsoft's Semantic Kernel .NET SDK and...

PYSEC-2026-486 PraisonAI has sandbox escape via exception frame traversal in `execute_code` (subprocess mode)

Summary executecode in praisonaiagents.tools.pythontools defaults to sandboxmode="sandbox", which runs user code in a subprocess wrapped with a restricted builtins dict and an AST-based blocklist. The AST blocklist embedded inside the subprocess wrapper blockedattrs, line 143 of pythontools.py...

PYSEC-2026-484 PraisonAI: Python Sandbox Escape via str Subclass startswith() Override in execute_code

Summary executecode in praisonai-agents runs attacker-controlled Python inside a three-layer sandbox that can be fully bypassed by passing a str subclass with an overridden startswith method to the safegetattr wrapper, achieving arbitrary OS command execution on the host. Details pythontools.py:2...

PYSEC-2026-477 PraisonAI has critical RCE via `type: job` workflow YAML

praisonai workflow run loads untrusted YAML and if type: job executes steps through JobWorkflowExecutor in jobworkflow.py. This supports: - run: → shell command execution via subprocess.run - script: → inline Python execution via exec - python: → arbitrary Python script execution A malicious YAML...

PYSEC-2026-488 PraisonAI has critical RCE via `type: job` workflow YAML

praisonai workflow run loads untrusted YAML and if type: job executes steps through JobWorkflowExecutor in jobworkflow.py. This supports: - run: → shell command execution via subprocess.run - script: → inline Python execution via exec - python: → arbitrary Python script execution A malicious YAML...

PYSEC-2026-423 MLflow Command Injection vulnerability

A command injection vulnerability exists in MLflow's model serving container initialization code, specifically in the installmodeldependenciestoenv function. When deploying a model with envmanager=LOCAL, MLflow reads dependency specifications from the model artifact's pythonenv.yaml file and...

aa-rag (=0.4.3), acex (>=3.0.0 <=5.28.0) +825 more potentially affected by CVE-2026-32871 via fastmcp (>=0.1.0 <=3.1.1)

fastmcp PYPI version =0.1.0, =3.0.0, =0.2.0, =0.1.0, =0.1.7, =2.1.7, =0.1.0, =1.0.0, =0.4.6, =0.1.0, =1.8.0, =0.1.1, =0.1.5 and more Source cves: CVE-2026-32871 Source advisory: OSV:PYSEC-2026-338...

PYSEC-2026-456 PickleScan's pkgutil.resolve_name has a universal blocklist bypass

Summary pkgutil.resolvename is a Python stdlib function that resolves any "module:attribute" string to the corresponding Python object at runtime. By using pkgutil.resolvename as the first REDUCE call in a pickle, an attacker can obtain a reference to ANY blocked function e.g., os.system,...

PYSEC-2026-572 weixin-python XML External Entity vulnerability

A vulnerability was found in zwczou WeChat SDK Python 0.3.0 and classified as critical. This issue affects the function validate/toxml. The manipulation leads to xml external entity reference. The attack may be initiated remotely. Upgrading to version 0.5.5 is able to address this issue. The name...

PYSEC-2026-375 LangChain Experimental vulnerable to arbitrary code execution

langchainexperimental aka LangChain Experimental before 0.0.52, part of LangChain before 0.1.8, allows an attacker to bypass the CVE-2023-44467 fix and execute arbitrary code via the import, subclasses, builtins, globals, getattribute, bases, mro, or base attribute in Python code. These are not...

ait-dsn (=2.0.0), ait-gui (>=2.4.0 <=2.4.1) potentially affected by CVE-2024-35058 via ait-core (>=2.3.5 <=2.5.2)

ait-core PYPI version =2.3.5, =2.4.0, =2.4.1 Source cves: CVE-2024-35058 Source advisory: OSV:PYSEC-2026-261...

PYSEC-2026-264 NASA AIT-Core vulnerable to remote code execution

An issue in the Pickle Python library of NASA AIT-Core v2.5.2 allows attackers to execute arbitrary commands...

PYSEC-2026-327 DeepDiff Class Pollution in Delta class leading to DoS, Remote Code Execution, and more

Summary Python class pollution is a novel vulnerability categorized under CWE-915. The Delta class is vulnerable to class pollution via its constructor, and when combined with a gadget available in DeltaDiff itself, it can lead to Denial of Service and Remote Code Execution via insecure Pickle...

PYSEC-2026-329 Django-Unicorn Class Pollution Vulnerability, Leading to XSS, DoS and Authentication Bypass

Summary Django-Unicorn is vulnerable to python class pollution vulnerability, a new type of vulnerability categorized under CWE-915. The vulnerability arises from the core functionality setpropertyvalue, which can be remotely triggered by users by crafting appropriate component requests and feedi...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: python3.12: python3.12-3.12.13-3.2.hum1 aarch64, x8664 python3.12-debug-3.12.13-3.2.hum1 aarch64, x8664 python3.12-devel-3.12.13-3.2.hum1 aarch64, x8664 python3.12-idle-3.12.13-3.2.hum1 aarch64,...

Malicious code in django-bkvision (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 60f6913309b46f7fc428e08267197a375885efc1b3c5660d7707ef70895f558c setup.py executes a top-level function on pip install that collects host metadata hostname, user, cwd, Python version, platform, pid, timestamp and...

MAL-2026-6593 Malicious code in django-bkvision (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 60f6913309b46f7fc428e08267197a375885efc1b3c5660d7707ef70895f558c setup.py executes a top-level function on pip install that collects host metadata hostname, user, cwd, Python version, platform, pid, timestamp and...

Hijacked npm and Go Packages Use VS Code Tasks to Deploy Python Infostealer

Cybersecurity researchers have uncovered two hijacked npm packages and a cluster of Go packages that are designed to deploy a Python-based information stealer on compromised Windows, Linux, and macOS hosts. "This attack avoids the most common npm execution paths through lifecycle scripts, perhaps...