PYSEC-2026-80

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the /api/v1/files/images/flowid/filename endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flowid and filename returns...

PYSEC-2026-81

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.1, in the downloadprofilepicture function of the /profilepictures/foldername/filename endpoint, the foldername and filename parameters are not strictly filtered, which allows the secretkey to be re...

PYSEC-2026-2185

Intake is a package for finding, investigating, loading and disseminating data. Prior to version 2.0.9, the shell syntax within parameter default values appears to be automatically expanded during the catalog parsing process. If a catalog contains a parameter default such as shell, the command ma...

PYSEC-2026-79

Langflow is a tool for building and deploying AI-powered agents and workflows. Versions 1.2.0 through 1.8.1 have a bypass of the patch for CVE-2025-68478 External Control of File Name, leading to the root architectural issue within LocalStorageService remaining unresolved. Because the underlying...

PYSEC-2026-2184

Indico is an event management system that uses Flask-Multipass, a multi-backend authentication system for Flask. In versions prior to 3.3.12, due to vulnerabilities in TeXLive and obscure LaTeX syntax that allowed circumventing Indico's LaTeX sanitizer, it is possible to use specially-crafted LaT...

PYSEC-2026-2123

cbor2 provides encoding and decoding for the Concise Binary Object Representation CBOR serialization format. Versions prior to 5.9.0 are vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion when decoding deeply nested CBOR structures. This vulnerability affects both the...

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...

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-2026-39

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 URL field. Attackers can paste a buffer of 5000 characters into the 'From URL' field during torrent addition to trigger an application crash...

PYSEC-2026-2237

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, the NLTK downloader does not validate the subdir and id attributes when processing remote XML index...

PYSEC-2026-2236

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp allows unauthenticated remote shutdown of the local WordNet Browser HTTP server whe...

PYSEC-2026-2235

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

PYSEC-2026-2147

dynaconf is a configuration management tool for Python. Prior to version 3.2.13, Dynaconf is vulnerable to Server-Side Template Injection SSTI due to unsafe template evaluation in the @Jinja resolver. When the jinja2 package is installed, Dynaconf evaluates template expressions embedded in...

PYSEC-2026-78

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the deleteapikeyroute endpoint accepts an apikeyid path parameter and deletes it with only a generic authentication check getcurrentactiveuser dependency. However, the deleteapikey CRUD...

PYSEC-2026-2291

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Versions 5.4.0 through 5.11.0 contain an accumulating memory leak in JSON parsing large outside of the range -2^63, 2^64 - 1 integers. The leaked memory is a copy of the string form of the integer plus a...

PYSEC-2026-2292

UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Versions 5.10 through 5.11.0 are vulnerable to buffer overflow or infinite loop through large indent handling. ujson.dumps crashes the Python interpreter segmentation fault when the product of the indent...

PYSEC-2026-2266

pydicom is a pure Python package for working with DICOM files. Versions 2.0.0-rc.1 through 3.0.1 are vulnerable to Path Traversal through a maliciously crafted DICOMDIR ReferencedFileID when it is set to a path outside the File-set root. pydicom resolves the path only to confirm that it exists, b...

PYSEC-2026-2247

ormar is a async mini ORM for Python. Versions 0.23.0 and below are vulnerable to Pydantic validation bypass through the model constructor, allowing any unauthenticated user to skip all field validation by injecting "pkonly": true into a JSON request body. By injecting "pkonly": true into a JSON...

PYSEC-2026-2203

Memray is a memory profiler for Python. Prior to Memray 1.19.2, Memray rendered the command line of the tracked process directly into generated HTML reports without escaping. Because there was no escaping, attacker-controlled command line arguments were inserted as raw HTML into the generated...

PYSEC-2026-2172

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.2, in Central Browser mode, Glances stores both the Zeroconf-advertised server name and the discovered IP address for dynamic servers, but later builds connection URIs from the untrusted advertised name instead ...

PYSEC-2026-2171

Glances is an open-source system cross-platform monitoring tool. Glances recently added DNS rebinding protection for the MCP endpoint, but prior to version 4.5.2, the main REST/WebUI FastAPI application still accepts arbitrary Host headers and does not apply TrustedHostMiddleware or an equivalent...

PYSEC-2026-2170

Glances is an open-source system cross-platform monitoring tool. The GHSA-x46r fix commit 39161f0 addressed SQL injection in the TimescaleDB export module by converting all SQL operations to use parameterized queries and psycopg.sql composable objects. However, the DuckDB export module...

PYSEC-2026-2169

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.2, the Glances REST API web server ships with a default CORS configuration that sets alloworigins="" combined with allowcredentials=True. When both of these options are enabled together, Starlette's CORSMiddlewa...

PYSEC-2026-2168

Glances is an open-source system cross-platform monitoring tool. The GHSA-gh4x fix commit 5d3de60 addressed unauthenticated configuration secrets exposure on the /api/v4/config endpoints by introducing asdictsecure redaction. However, the /api/v4/args and /api/v4/args/item endpoints were not...

PYSEC-2026-2167

Glances is an open-source system cross-platform monitoring tool. The Glances action system allows administrators to configure shell commands that execute when monitoring thresholds are exceeded. These commands support Mustache template variables e.g., name, key that are populated with runtime...

PYSEC-2026-2166

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.2, Glances web server runs without authentication by default when started with glances -w, exposing REST API with sensitive system information including process command-lines containing credentials passwords, API keys,...

PYSEC-2026-2263

pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the pyasn1 library is vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing thousands of nested SEQUENC...

PYSEC-2026-103

Open Neural Network Exchange ONNX is an open standard for machine learning interoperability. In versions up to and including 1.20.1, a security control bypass exists in onnx.hub.load due to improper logic in the repository trust verification mechanism. While the function is designed to warn users...

PYSEC-2026-2269

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

PYSEC-2026-2268

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 0.14.0 and prior to version 26.0.0, if a user provided callback to settlsextservernamecallback raised an unhandled exception, this would result in a connection being accepted. If a user was relying on this callback for...

PYSEC-2026-130

A path traversal vulnerability was identified in Ray Dashboard default port 8265 in Ray versions prior to 2.8.1. Due to improper validation and sanitization of user-supplied paths in the static file handling mechanism, an attacker can use traversal sequences e.g., ../ to access files outside the...

PYSEC-2026-117

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to version 6.9.1, the GraphQL mutations "IndividualDeletionDeleteMutation" is intended to allow users to delete individual entity objects respectively. However, it was observed that this...

PYSEC-2026-15

Apache Airflow versions 3.1.0 through 3.1.7 /ui/dependencies endpoint returns the full DAG dependency graph without filtering by authorized DAG IDs. This allows an authenticated user with only DAG Dependencies permission to enumerate DAGs they are not authorized to view.Users are recommended to...

PYSEC-2026-16

Apache Airflow versions 3.1.0 through 3.1.7session token token in cookies is set to path=/ regardless of the configured webserver baseurl or api baseurl. This allows any application co-hosted under the same domain to capture valid Airflow session tokens from HTTP request headers, allowing full...

PYSEC-2026-14

Apache Airflow versions 3.0.0 through 3.1.7FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dagid set to "" wildcard for all DAGs. As a result, version metadata of DAGs that the requester is not authorized to access is returned.Users are...

PYSEC-2026-17

Apache Airflow versions 3.1.0 through 3.1.7 missing authorization vulnerability in the Execution API's Human-in-the-Loop HITL endpoints that allows any authenticated task instance to read, approve, or reject HITL workflows belonging to any other task instance.Users are recommended to upgrade to...

PYSEC-2026-2117

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a library-level vulnerability was identified in the Authlib Python library concerning the validation of OpenID Connect OIDC ID Tokens. Specifically, the internal hash verification logic verifyhash...

PYSEC-2026-2116

Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encryption JWE RSA15 key management algorithm. Authlib registe...

PYSEC-2026-162

Improper Protection of Alternate Path exists in the no-access and workdir feature of the AWS API MCP Server versions = 0.2.14 and 1.3.9 on all platforms may allow the bypass of intended file access restriction and expose arbitrary local file contents in the MCP client application context.To...

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-2026-120

PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit Critical Header Parameter defined in RFC 7515 §4.1.11. When a JWS token contains a crit array listing extensions that PyJWT does not understand, the library accepts the token instead of rejecting...

PYSEC-2026-2122

CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG has exponential denial of service via recursive element amplification in cairosvg/defs.py. This causes CPU exhaustion from a small input...

PYSEC-2026-2121

Black is the uncompromising Python code formatter. Prior to 26.3.1, Black writes a cache file, the name of which is computed from various formatting options. The value of the --python-cell-magics option was placed in the filename without sanitization, which allowed an attacker who controls the...

PYSEC-2026-118

OpenCTI is an open source platform for managing cyber threat intelligence knowledge and observables. Prior to 6.8.16, the OpenCTI platform’s data ingestion feature accepts user-supplied URLs without validation and uses the Axios HTTP client with its default configuration allowAbsoluteUrls: true...

PYSEC-2026-32

Copyparty is a portable file server. Prior to 1.20.12, if an attacker has been given both read- and write-permissions to the server, they can upload a malicious file with the filename .prologue.html and then craft a link to potentially execute arbitrary JavaScript in the victim's context. Note th...

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-2026-140

Tornado is a Python web framework and asynchronous networking library. In versions of Tornado prior to 6.5.5, the only limit on the number of parts in multipart/form-data is the maxbodysize setting default 100MB. Since parsing occurs synchronously on the main thread, this creates the possibility ...

PYSEC-2026-2120

Black is the uncompromising Python code formatter. Black provides a GitHub action for formatting code. This action supports an option, usepyproject: true, for reading the version of Black to use from the repository pyproject.toml. A malicious pull request could edit pyproject.toml to use a direct...

PYSEC-2026-2137

Copyparty is a portable file server. Prior to v1.20.11., the nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the...

PYSEC-2026-2164

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.1, the /api/4/config REST API endpoint returns the entire parsed Glances configuration file glances.conf via self.config.asdict with no filtering of sensitive values. The configuration file contains credentials for all...