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-2026-516 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-2026-501 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-2026-277 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-2026-272 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-2026-312 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-2026-374 LangChain Experimental Eval Injection vulnerability

langchainexperimental aka LangChain Experimental 0.1.17 through 0.3.0 for LangChain allows attackers to execute arbitrary code through sympy.sympify which uses eval in LLMSymbolicMathChain. LLMSymbolicMathChain was introduced in fcccde406dd9e9b05fc9babcbeb9ff527b0ec0c6 2023-10-05...

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-2026-276 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-2026-496 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-2026-327 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-2026-333 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-2026-336 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-2026-368 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-2026-358 InvokeAI Arbitrary File Deletion vulnerability

In invoke-ai/invokeai version v5.0.2, the web API POST /api/v1/images/delete is vulnerable to Arbitrary File Deletion. This vulnerability allows unauthorized attackers to delete arbitrary files on the server, potentially including critical or sensitive system files such as SSH keys, SQLite...

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-2026-2109

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, DigestAuthMiddleware can send an authentication response after following a cross-origin redirect. This likely requires an open redirect vulnerability or similar on the target domain for an attacker to...

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-2026-151

Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by guest Wasm programs. It can only be triggered by a specific sequence of embedder API calls made by the host. Specifically, the following...

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-2026-132

SimpleEval is a library for adding evaluatable expressions into python projects. Prior to 1.0.5, objects including modules can leak dangerous modules through to direct access inside the sandbox. If the objects you've passed in as names to SimpleEval have modules or other disallowed / dangerous...

PYSEC-2026-99

NLTK versions =3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegmenter module. The module dynamically loads external Java .jar files without verification or sandboxing. An attacker can supply or replace the JAR file, enabling the execution of...

PYSEC-2026-2125

changedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, the RSS single-watch endpoint reflects the UUID path parameter directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the...

PYSEC-2026-2182

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. Versions prior to 3.3.10 are vulnerable to cross-site scripting when uploading certain file types as materials. Users should upgrade to version 3.3.10 to receive a patch. To apply the...

PYSEC-2026-116

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to version 6.8.1, the GraphQL mutation "WorkspacePopoverDeletionMutation" allows users to delete workspace-related objects such as dashboards and investigation cases. However, the mutation...

PYSEC-2025-111

An issue was discovered in allauth-django before 65.13.0. Both Okta and NetIQ were using preferredusername as the identifier for third-party provider accounts. That value may be mutable and should therefore be avoided for authorization decisions. The providers are now using sub instead...

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-2025-89

NUT-14 allows cashu tokens to be created with a preimage hash. However, nutshell cashubtc/nuts before 0.18.0 do not validate the size of preimage when the token is spent. The preimage is stored by the mint and attacker can exploit this vulnerability to fill the mint's db nd disk with arbitrary da...

PYSEC-2025-137

A cross-site scripting XSS vulnerability in the component /blog/blogpost/add of Mezzanine CMS v6.1.0 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into a blog post...

PYSEC-2025-247

A vulnerability in the ArxivReader class of the run-llama/llamaindex repository, versions up to v0.12.22.post1, allows for MD5 hash collisions when generating filenames for downloaded papers. This can lead to data loss as papers with identical titles but different contents may overwrite each othe...

PYSEC-2025-59

Remote Code Execution with untrusted URI of UDF vulnerability in Apache IoTDB. The attacker who has privilege to create UDF can register malicious function from untrusted URI. This issue affects Apache IoTDB: from 1.0.0 before 1.3.4. Users are recommended to upgrade to version 1.3.4, which fixes...

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-2025-227

A vulnerability was found in WebAssembly wabt 1.0.36 and classified as critical. This issue affects the function wabt::interp::anonymous namespace::BinaryReaderInterp::OnExport of the file wabt/src/interp/binary-reader-interp.cc of the component Malformed File Handler. The manipulation leads to...

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-2024-169

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,...