PYSEC-2026-354 Horovod contains an insecure deserialization vulnerability in its KVStore HTTP server component

Horovod thru 0.28.1 contains an insecure deserialization vulnerability CWE-502 in its KVStore HTTP server component. The KVStore server, used for distributed task coordination, lacks authentication and authorization controls, allowing any remote attacker to write arbitrary data via HTTP PUT...

PYSEC-2026-390 LiteLLM: Authentication bypass via OIDC userinfo cache key collision

Impact When JWT authentication is enabled enablejwtauth: true, the OIDC userinfo cache uses token:20 as the cache key. JWT headers produced by the same signing algorithm generate identical first 20 characters. This configuration option is not enabled by default. Most instances are not affected. A...

PYSEC-2026-467 PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions

Summary praisonai browser start exposes the browser bridge on 0.0.0.0 by default, and its /ws endpoint accepts websocket clients that omit the Origin header entirely. An unauthenticated network client can connect as a fake controller, send startsession, cause the server to forward startautomation...

PYSEC-2026-408 MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

Summary The confluencedownloadattachment MCP tool accepts a downloadpath parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the serv...

PYSEC-2026-501 pyminizip affected by zlib's integer overflow/heap based buffer overflow vulnerability due to vulnerable dependency

MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip464 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. pyminizip uses version 1.2.11 of zlib's code...

PYSEC-2026-516 Ray Missing Authorization vulnerability

LFI in Ray's /static/ directory allows attackers to read any file on the server without authentication. The issue is fixed in version 2.8.1+. Ray maintainers response can be found here:...

PYSEC-2026-277 Apache Airflow Google Provider Improper Input Validation vulnerability

Improper Input Validation vulnerability in the Apache Airflow Google Provider. This issue affects Apache Airflow Google Provider versions before 8.10.0...

PYSEC-2026-312 Ckan remote code execution and private information access via crafted resource ids

Specific vulnerabilities: Arbitrary file write in resourcecreate and packageupdate actions, using the ResourceUploader object. Also reachable via packagecreate, packagerevise, and packagepatch via calls to packageupdate. Remote code execution via unsafe pickle loading, via Beaker's session store...

PYSEC-2026-272 Apache Airflow Hive Provider Improper Input Validation vulnerability

Improper Input Validation vulnerability in the Apache Airflow Hive Provider. This issue affects Apache Airflow Hive Provider versions before 5.1.3...

PYSEC-2026-554 TorchServe vulnerable to bypass of allowed_urls configuration

Impact TorchServe's check on allowedurls configuration can be by-passed if the URL contains characters such as ".." but it does not prevent the model from being downloaded into the model store. Once a file is downloaded, it can be referenced without providing a URL the second time, which...

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-2026-263 NASA AIT-Core vulnerable to remote code execution

An issue in NASA AIT-Core v2.5.2 allows attackers to execute arbitrary code via a crafted packet...

PYSEC-2026-276 Apache Airflow Providers Edge3 exposes internal API allowing RCE in web server context

Edge3 Worker RPC RCE on Airflow 2. This issue affects Apache Airflow Providers Edge3: before 2.0.0 - and only if projects installed and configured it on Airflow 2. The Edge3 provider support in Airflow 2 has been always development-only and not officially released, however if projects installed a...

PYSEC-2026-368 Keras framework vulnerable to deserialization of untrusted data

Deserialization of untrusted data can occur in versions of the Keras framework running versions 3.11.0 up to but not including 3.11.3, enabling a maliciously uploaded Keras file containing a TorchModuleWrapper class to run arbitrary code on an end user’s system when loaded despite safe mode being...

PYSEC-2026-496 pyLoad vulnerable to XSS through insecure CAPTCHA

Summary An unsafe JavaScript evaluation vulnerability in pyLoad’s CAPTCHA processing code allows unauthenticated remote attackers to execute arbitrary code in the client browser and potentially the backend server. Exploitation requires no user interaction or authentication and can result in sessi...

PYSEC-2026-336 ExecuTorch vulnerable to Heap-based Buffer Overflow

A group of related buffer overflow vulnerabilities in the loading of ExecuTorch models can cause the runtime to crash and potentially result in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit cea9b23aa8ff78aff92829a466da97461cc7930c...

PYSEC-2026-335 ExecuTorch integer overflow vulnerability

An integer overflow vulnerability in the loading of ExecuTorch models can cause overlapping allocations, potentially resulting in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit d158236b1dc84539c1b16843bc74054c9dcba006...

PYSEC-2026-333 ExecuTorch heap buffer overflow vulnerability

A heap buffer overflow vulnerability in the loading of ExecuTorch models can potentially result in code execution or other undesirable effects. This issue affects ExecuTorch prior to commit ede82493dae6d2d43f8c424e7be4721abe5242be...

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...

PYSEC-2026-253 AgentScope Deserialization Vulnerability

A vulnerability in the RpcAgentServerLauncher class of modelscope/agentscope v0.0.6a3 allows for remote code execution RCE via deserialization of untrusted data using the dill library. The issue occurs in the AgentServerServicer.createagent method, where serialized input is deserialized using...

PYSEC-2026-270 OS Command Injection in Apache Airflow

Improper Neutralization of Special Elements used in an OS Command 'OS Command Injection' vulnerability in Apache Airflow Pig Provider, Apache Airflow allows an attacker to control commands executed in the task execution context, without write access to DAG files. This issue affects Pig Provider...

PYSEC-2026-2107

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, no limit was present on the number of pipelined requests that could be queued. An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS. This...

PYSEC-2026-182

The partitioneddagruns endpoints in the Airflow UI enforced only asset-level access control, not per-Dag authorization. An authenticated UI/API user with global Asset:read permission could enumerate partition run state, schedule configuration, and asset wiring for Dags they were not authorized to...

PYSEC-2026-40

Diffusers is the a library for pretrained diffusion models. Prior to 0.38.0, a trustremotecode bypass in DiffusionPipeline.frompretrained allows arbitrary remote code execution despite the user passing trustremotecode=False or omitting it, which is the default. The vulnerability has three variant...

PYSEC-2026-58

The Open edx Enterprise Service app provides enterprise features to the Open edX platform. From 7.0.2 to 7.0.4, the syncproviderdata endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadatasource. An authenticated user with the Enterprise Admin ro...

PYSEC-2026-128

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .. after replacement partial removal, leaving .. which can be exploited when the path is later resolve...

PYSEC-2026-4

A flaw has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this vulnerability is the function SWSDfldsrch of the file frmts/hdf4/hdf-eos/SWapi.c. Executing a manipulation can lead to heap-based buffer overflow. The attack requires local access. The exploit has been published and may be...

PYSEC-2026-2162

GitPython is a python library used to interact with Git repositories. Prior to version 3.1.48, a vulnerability in GitPython allows attackers who can supply a crafted reference path to an application using GitPython to write, overwrite, move, or delete files outside the repository’s .git directory...

PYSEC-2026-2161

GitPython is a python library used to interact with Git repositories. Prior to version 3.1.47, clone validates multioptions as the original list, then executes shlex.split" ".joinmultioptions. A string like "--branch main --config core.hooksPath=/x" passes validation starts with --branch, but aft...

PYSEC-2026-49

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGI requests with a missing or understated Content-Length header could bypass the DATAUPLOADMAXMEMORYSIZE limit when reading HttpRequest.body, allowing remote attackers to load an unbounded request body into...

PYSEC-2026-159

BentoML is a Python library for building online serving systems optimized for AI apps and model inference. Prior to 1.4.38, the Dockerfile generation function generatecontainerfile in src/bentoml/internal/container/generate.py uses an unsandboxed jinja2.Environment with the jinja2.ext.do extensio...

PYSEC-2026-144

vLLM is an inference and serving engine for large language models LLMs. From 0.7.0 to before 0.19.0, the VideoMediaIO.loadbase64 method at vllm/multimodal/media/video.py splits video/jpeg data URLs by comma to extract individual JPEG frames, but does not enforce a frame count limit. The numframes...

PYSEC-2026-204

A critical security vulnerability in parisneo/lollms versions up to 2.2.0 allows any authenticated user to accept or reject friend requests belonging to other users. The respondrequest function in backend/routers/friends.py does not implement proper authorization checks, enabling Insecure Direct...

PYSEC-2026-27

Briefcase is a tool for converting a Python project into a standalone native application. Starting in version 0.3.0 and prior to version 0.3.26, if a developer uses Briefcase to produce an Windows MSI installer for a project, and that project is installed for All Users i.e., per-machine scope, th...

PYSEC-2026-38

Deluge 1.3.15 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Webseeds field. Attackers can paste a buffer of 5000 bytes into the Webseeds field during torrent creation to trigger an application crash...

PYSEC-2026-31

Copyparty is a portable file server. Prior to 1.20.12, there was a missing permission-check in the shares feature the shr global-option. This vulnerability only applies when the shares feature is used for the specific purpose of creating a share of just a single file inside a folder or either the...

PYSEC-2026-2186

Internet Routing Registry daemon version 4 is an IRR database server, processing IRR objects in the RPSL format. From version 4.4.0 to before version 4.4.5 and from version 4.5.0 to before version 4.5.1, an attacker can manipulate the HTTP Host header on a password reset or account creation...

PYSEC-2026-2196

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, in litestar.middleware.allowedhosts, allowlist entries are compiled into regex patterns in a way that allows regex metacharacters to retain special meaning e.g., . matches any character. This enables a bypass...

PYSEC-2026-102

An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, function readGGUFV1String reads a string length from untrusted GGUF metadata...

PYSEC-2025-125

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.0, if an arbitrary path is specified in the request body's fspath, the server serializes the Flow object into JSON and creates/overwrites a file at that path. There is no path restriction,...

PYSEC-2025-266

Tornado is a Python web framework and asynchronous networking library. In versions 6.5.2 and below, a single maliciously crafted HTTP request can block the server's event loop for an extended period, caused by the HTTPHeaders.add method. The function accumulates values using string concatenation...

PYSEC-2025-9

A remote code execution vulnerability exists in invoke-ai/invokeai versions 5.3.1 through 5.4.2 via the /api/v2/models/install API. The vulnerability arises from unsafe deserialization of model files using torch.load without proper validation. Attackers can exploit this by embedding malicious cod...

PYSEC-2025-5 Exfiltrates user cookies to hardcoded server endpoint during normal operations

Published in 2020, the autodzee package is a Python library that bypasses Deezer API restrictions to download music. The package was found to exfiltrate user data to a hardcoded server, which could be used for malicious purposes...

PYSEC-2024-229

Hugging Face Transformers Trax Model Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face Transformers. User interaction is required to exploit this vulnerability in th...

PYSEC-2024-214

Gradio is an open-source Python package designed for quick prototyping. This vulnerability relates to CORS origin validation accepting a null origin. When a Gradio server is deployed locally, the localhostaliases variable includes "null" as a valid origin. This allows attackers to make unauthoriz...

PYSEC-2024-87

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpzasbytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and ma...

PYSEC-2024-96

A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mpvfsumount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit...

PYSEC-2024-88

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpzasbytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and ma...

PYSEC-2024-169

An improper authorization vulnerability exists in the zenml-io/zenml repository, specifically within the API PUT /api/v1/users/id endpoint. This vulnerability allows any authenticated user to modify the information of other users, including changing the active status of user accounts to false,...

PYSEC-2024-179

OctoPrint provides a web interface for controlling consumer 3D printers. OctoPrint versions up until and including 1.9.3 contain a vulnerability that allows malicious admins to configure or talk a victim with administrator rights into configuring a webcam snapshot URL which when tested through th...