PYSEC-2026-1937 Spotipy has a XSS vulnerability in its OAuth callback server

Summary XSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. Details Vulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGET The...

PYSEC-2026-1991 trytond does not enforce access rights for the route of the HTML editor.

Tryton trytond 6.0 before 7.6.11 does not enforce access rights for the route of the HTML editor. This is fixed in 7.6.11, 7.4.21, 7.0.40, and 6.0.70...

PYSEC-2026-1192 arcade-mcp-server Has Default Hardcoded Worker Secret That Allows Full Unauthorized Access to All HTTP MCP Worker Endpoints

Summary The arcade-mcp HTTP server uses a hardcoded default worker secret "dev" that is never validated or overridden during normal server startup. As a result, any unauthenticated attacker who knows this default key can forge valid JWTs and fully bypass the FastAPI authentication layer. This...

PYSEC-2026-2046 Werkzeug safe_join() allows Windows special device names

Werkzeug's safejoin function allows path segments with Windows device names. On Windows, there are special device names such as CON, AUX, etc that are implicitly present and readable in every directory. sendfromdirectory uses safejoin to safely serve files at user-specified paths under a director...

PYSEC-2026-1832 pypdf's LZWDecode streams be manipulated to exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to a memory usage of up to 1 GB per stream. This requires parsing the content stream of a page using the LZWDecode filter. This is a follow up to GHSA-jfx9-29x2-rv3j to align the default limit with the one for zlib. Patche...

PYSEC-2026-1225 Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input

Impact In affected versions, brotli "bombs" highly compressed brotli streams, such as many zeros can be sent to the server. Since the server will attempt to decompress these streams before applying various maximums, this can lead to exhaustion of the available memory and thus a Denial of Service...

PYSEC-2026-1761 Insecure Deserialization (pickle) in pdfminer.six CMap Loader — Local Privesc

🚀 Overview This report demonstrates a real-world privilege escalation vulnerability in pdfminer.six due to unsafe usage of Python's pickle module for CMap file loading. It shows how a low-privileged user can gain root access or escalate to any service account by exploiting insecure deserializatio...

PYSEC-2026-1399 Fugue is Vulnerable to Remote Code Execution by Pickle Deserialization via FlaskRPCServer

Summary The Fugue framework implements an RPC server system for distributed computing operations. In the core functionality of the RPC server implementation, I found that the decode function in fugue/rpc/flask.py directly uses cloudpickle.loads to deserialize data without any sanitization. This...

PYSEC-2026-1227 Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input (via CPU)

Impact In affected versions, a specially crafted Brotli-compressed envelope can cause Bugsink to spend excessive CPU time in decompression, leading to denial of service. This can be done if the DSN is known, which it is in many common setups JavaScript, Mobile Apps. Patches Patched in Bugsink 2.0...

PYSEC-2026-1205 AWS Advanced Python Wrapper: Privilege Escalation in Aurora PostgreSQL instance

Description of Vulnerability: An issue in AWS Wrappers for Amazon Aurora PostgreSQL may allow for privilege escalation to rdssuperuser role. A low privilege authenticated user can create a crafted function that could be executed with permissions of other Amazon Relational Database Service RDS...

PYSEC-2026-2012 vLLM vulnerable to DoS via large Chat Completion or Tokenization requests with specially crafted `chat_template_kwargs`

Summary The /v1/chat/completions and /tokenize endpoints allow a chattemplatekwargs request parameter that is used in the code before it is properly validated against the chat template. With the right chattemplatekwargs parameters, it is possible to block processing of the API server for long...

PYSEC-2026-2019 vLLM vulnerable to DoS with incorrect shape of multimodal embedding inputs

Summary Users can crash the vLLM engine serving multimodal models by passing multimodal embedding inputs with correct ndim but incorrect shape e.g. hidden dimension is wrong, regardless of whether the model is intended to support such inputs as defined in the Supported Models page. The issue has...

PYSEC-2026-1490 OpenStack Keystone allows /v3/ec2tokens or /v3/s3tokens request with valid AWS Signature to provide Keystone authorization.

OpenStack Keystone before 26.0.1, 27.0.0, and 28.0.0 allows a /v3/ec2tokens or /v3/s3tokens request with a valid AWS Signature to provide Keystone authorization...

PYSEC-2026-1773 pgAdmin has vulnerability in LDAP authentication mechanism that allows bypassing TLS certificate verification

pgAdmin = 9.9 is affected by a vulnerability in the LDAP authentication mechanism allows bypassing TLS certificate verification...

PYSEC-2026-1776 pgAdmin 4 has command injection vulnerability on Windows systems

pgAdmin 4 versions up to 9.9 are affected by a command injection vulnerability on Windows systems. This issue is caused by the use of shell=True during backup and restore operations, enabling attackers to execute arbitrary system commands by providing specially crafted file path input...

PYSEC-2026-1849 OpenStack's Mistral Client has a local file inclusion vulnerability

The mistral-dashboard plugin for openstack has a local file inclusion vulnerability through the 'Create Workbook' feature that may result in disclosure of arbitrary local files content...

PYSEC-2026-1772 pgAdmin is affected by an LDAP injection vulnerability

pgAdmin = 9.9 is affected by an LDAP injection vulnerability in the LDAP authentication flow that allows an attacker to inject special LDAP characters in the username, causing the DC/LDAP server and the client to process an unusual amount of data DOS...

PYSEC-2026-2018 vLLM deserialization vulnerability leading to DoS and potential RCE

Summary A memory corruption vulnerability that leading to a crash denial-of-service and potentially remote code execution RCE exists in vLLM versions 0.10.2 and later, in the Completions API endpoint. When processing user-supplied prompt embeddings, the endpoint loads serialized tensors using...

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-2026-1518 LangChain Vulnerable to Template Injection via Attribute Access in Prompt Templates

Context A template injection vulnerability exists in LangChain's prompt template system that allows attackers to access Python object internals through template syntax. This vulnerability affects applications that accept untrusted template strings not just template variables in ChatPromptTemplate...

PYSEC-2026-1077 Agno session state overwrites between different sessions/users

Impact Under certain conditions under high concurrency, when sessionstate is passed to an Agent or Team during run or arun calls, a race condition can occur, causing a sessionstate to be assigned and persisted to the incorrect session. This may result in user data from one session being exposed t...

PYSEC-2026-1906 Scrapy is vulnerable to a denial of service (DoS) attack due to flaws in brotli decompression implementation

Scrapy versions up to 2.13.3 are vulnerable to a denial of service DoS attack due to a flaw in its brotli decompression implementation. The protection mechanism against decompression bombs fails to mitigate the brotli variant, allowing remote servers to crash clients with less than 80GB of...

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-2026-1729 Open WebUI Affected by an External Model Server (Direct Connections) Code Injection via SSE Events

Summary Open WebUI v0.6.33 and below contains a code injection vulnerability in the Direct Connections feature that allows malicious external model servers to execute arbitrary JavaScript in victim browsers via Server-Sent Event SSE execute events. This leads to authentication token theft, comple...

PYSEC-2026-1741 Open WebUI vulnerable to Stored DOM XSS via prompts when 'Insert Prompt as Rich Text' is enabled resulting in ATO/RCE

Summary The functionality that inserts custom prompts into the chat window is vulnerable to DOM XSS when 'Insert Prompt as Rich Text' is enabled, since the prompt body is assigned to the DOM sink .innerHtml without sanitisation. Any user with permissions to create prompts can abuse this to plant ...

PYSEC-2026-1680 motionEye vulnerable to RCE via unsanitized motion config parameter

Summary A command injection vulnerability in MotionEye allows attackers to achieve Remote Code Execution RCE by supplying malicious values in configuration fields exposed via the Web UI. Because MotionEye writes user-supplied values directly into Motion configuration files without sanitization,...

PYSEC-2026-1197 AstrBot has an arbitrary file read vulnerability in function _encode_image_bs64

AstrBot Project v3.5.22 has an arbitrary file read vulnerability in function encodeimagebs64. Since the encodeimagebs64 function defined in entities.py opens the image specified by the user in the request body and returns the image content as a base64-encoded string without checking the legitimac...

PYSEC-2026-1316 Dosage vulnerable to a Directory Traversal through crafted HTTP responses

Impact When downloadinging comic images, Dosage constructs target file names from different aspects of the remote comic page URL, image URL, page content, etc.. While the basename is properly stripped of directory-traversing characters, the file extension is taken from the HTTP Content-Type heade...

PYSEC-2026-1760 Byaidu PDFMathTranslate vulnerable to open redirect

An open redirect vulnerability exists in Byaidu PDFMathTranslate v1.9.9 that allows attackers to craft URLs that cause the application to redirect users to arbitrary external websites via the file parameter to the /gradioapi endpoint. This vulnerability could be exploited for phishing attacks or ...

PYSEC-2026-1198 AstrBot contains a directory traversal vulnerability

AstrBot Project v3.5.22 contains a directory traversal vulnerability. The handler function installpluginupload of the interface '/plugin/install-upload' parses the filename from the request body provided by the user, and directly uses the filename to assign to filepath without checking the validi...

PYSEC-2026-1527 LangGraph Checkpoint affected by RCE in "json" mode of JsonPlusSerializer

Summary Prior to langgraph-checkpoint version 3.0 , LangGraph’s JsonPlusSerializer used as the default serialization protocol for all checkpointing contains a remote code execution RCE vulnerability when deserializing payloads saved in the "json" serialization mode. If an attacker can cause your...

PYSEC-2026-1129 Apache Airflow `/api/v2/dagReports` executes DAG Python in API

API users via /api/v2/dagReports could perform Dag code execution in the context of the api-server if the api-server was deployed in the environment where Dag files were available...

PYSEC-2026-1714 OctoPrint vulnerable to XSS in Action Commands Notification and Prompt

Impact OctoPrint versions up to and including 1.11.3 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Action Command notification and prompt popups generated by the printer. An attacker who successfully convinces a victim to print a specially crafted fil...

PYSEC-2026-1282 cryptidy allows code execution via untrusted data due to pickle.loads

cryptidy through 1.2.4 allows code execution via untrusted data because pickle.loads is used. This occurs in aesdecryptmessage in symmetricencryption.py...

PYSEC-2026-1318 DSPy does not properly restrict file reads

The overly permissive sandbox configuration in DSPy allows attackers to steal sensitive files in cases when users build an AI agent which consumes user input and uses the “PythonInterpreter” class...

PYSEC-2026-1315 Apache Doris-MCP-Server: Improper Access Control results in bypassing a "read-only" mode

An attacker with a valid read-only account can bypass Doris MCP Server’s read-only mode due to improper access control, allowing modifications that should have been prevented by read-only restrictions. Impact: Bypasses read-only mode; attackers with read-only access may perform unauthorized...

PYSEC-2026-1246 CKAN vulnerable to fixed session IDs

Impact Session ids could be fixed by an attacker if the site is configured with server-side session storage CKAN uses cookie-based session storage by default. The attacker would need to either set a cookie on the victim's browser or steal the victim's currently valid session. Session identifiers...

PYSEC-2026-1831 pypdf can exhaust RAM via manipulated LZWDecode streams

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. Patches This has been fixed in pypdf==6.1.3. Workarounds If you cannot upgrade yet, consider applying the changes from P...

PYSEC-2026-1833 pypdf possibly loops infinitely when reading DCT inline images without EOF marker

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter. Patches This has been fixed in pypdf==6.1.3. Workarounds If you cannot upgrade yet, consider...

PYSEC-2026-1487 Keras is vulnerable to arbitrary local file loading and Server-Side Request Forgery

The Keras.Model.loadmodel method, including when executed with the intended security mitigation safemode=True, is vulnerable to arbitrary local file loading and Server-Side Request Forgery SSRF. This vulnerability stems from the way the StringLookup layer is handled during model loading from a...

PYSEC-2026-1528 LangGraph's SQLite store implementation has a SQL Injection Vulnerability

A SQL injection vulnerability exists in the langchain-ai/langgraph repository, specifically in the LangGraph's SQLite store implementation. The affected version is langgraph-checkpoint-sqlite 2.0.10. The vulnerability arises from improper handling of filter operators $eq, $ne, $gt, $lt, $gte, $lt...

PYSEC-2026-1642 MLflow Weak Password Requirements Authentication Bypass Vulnerability

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords...

PYSEC-2026-1365 FastMCP vulnerable to windows command injection in FastMCP Cursor installer via server_name

Summary A command-injection vulnerability lets any attacker who can influence the servername field of an MCP execute arbitrary OS commands on Windows hosts that run fastmcp install cursor Details 1. generatecursordeeplinkservername, … embeds servername verbatim in a cursor://…?name= query string...

PYSEC-2026-1133 Apache Airflow's create action can upsert existing Pools/Connections/Variables

User with CREATE and no UPDATE privilege for Pools, Connections, Variables could update existing records via bulk create API with overwrite action...

PYSEC-2026-1766 pg8000 SQL injection vulnerability via a specially crafted Python list input

SQL injection vulnerability in tlocke pg8000 1.31.4 allows remote attackers to execute arbitrary SQL commands via a specially crafted Python list input to function pg8000.native.literal...

PYSEC-2026-1640 MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability

MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability. The specific flaw...

PYSEC-2026-1247 CKAN vulnerable to stored XSS in resource description

Impact The helpers.markdownextract function did not perform sufficient sanitization of input data before wrapping in an HTML literal element. This helper is used to render user-provided data on dataset, resource, organization or group pages plus any page provided by an extension that used that...

PYSEC-2026-1529 LangGraph SQLite Checkpoint Filter Key SQL Injection POC for SqliteStore

Summary LangGraph's SQLite store implementation contains SQL injection vulnerabilities using direct string concatenation without proper parameterization, allowing attackers to inject arbitrary SQL and bypass access controls. Details /langgraph/libs/checkpoint-sqlite/langgraph/store/sqlite/base.py...

PYSEC-2026-1364 FastMCP vulnerable to reflected XSS in client's callback page

Summary While setting up an oauth client, it was noticed that the callback page hosted by the client during the flow embeds user-controlled content without escaping or sanitizing it. This leads to a reflected Cross-Site-Scripting vulnerability. Details The affected code is located in...

PYSEC-2026-1110 aiomysql allows arbitrary access to client files through vulnerability of a malicious MySQL server

Summary The client-side settings are not checked before sending local files to MySQL server, which allows obtaining arbitrary files from the client using a rogue server. Details It is possible to create a rogue MySQL server that emulates authorization, ignores client flags and requests arbitrary...