PYSEC-2026-1604 markdownify allows large headline prefixes such as <h9999999>, which causes memory consumption

python-markdownify aka markdownify before 0.14.1 allows large headline prefixes such as in addition to through . This causes memory consumption...

PYSEC-2026-1574 LLaMA-Factory Allows Arbitrary Code Execution via Unsafe Deserialization in Ilamafy_baichuan2.py

Description A critical vulnerability exists in the llamafybaichuan2.py script of the LLaMA-Factory project. The script performs insecure deserialization using torch.load on user-supplied .bin files from an input directory. An attacker can exploit this behavior by crafting a malicious .bin file th...

PYSEC-2026-2022 phi4mm: Quadratic Time Complexity in Input Token Processing​ leads to denial of service

Summary A critical performance vulnerability has been identified in the input preprocessing logic of the multimodal tokenizer. The code dynamically replaces placeholder tokens e.g., , with repeated tokens based on precomputed lengths. Due to ​​inefficient list concatenation operations​​, the...

PYSEC-2026-2048 Whoogle allows attackers to execute arbitrary code via supplying a crafted search query

An issue in the component /models/config.py of Whoogle search v0.9.0 allows attackers to execute arbitrary code via supplying a crafted search query...

PYSEC-2026-1579 InternLM LMDeploy code injection vulnerability

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been declared as critical. Affected by this vulnerability is the function Open of the file lmdeploy/docs/en/conf.py. The manipulation leads to code injection. It is possible to launch the attack on the local host. The exploit has...

PYSEC-2026-1577 LMDeploy Improper Input Validation Vulnerability

A vulnerability was found in InternLM LMDeploy up to 0.7.1. It has been classified as critical. Affected is the function loadweightckpt of the file lmdeploy/lmdeploy/vl/model/utils.py of the component PT File Handler. The manipulation leads to deserialization. Attacking locally is a requirement...

PYSEC-2026-1624 Mesop Class Pollution vulnerability leads to DoS and Jailbreak attacks

From @jackfromeast and @superboy-zjc: We have identified a class pollution vulnerability in Mesop = 0.14.0 application that allows attackers to overwrite global variables and class attributes in certain Mesop modules during runtime. This vulnerability could directly lead to a denial of service Do...

PYSEC-2026-1483 jupyterlab-git has a command injection vulnerability in "Open Git Repository in Terminal"

Overview On many platforms, a third party can create a Git repository under a name that includes a shell command substitution ^1 string in the syntax $. These directory names are allowed in macOS and a majority of Linux distributions ^2. If a user starts jupyter-lab in a parent directory of this...

PYSEC-2026-1207 AWS SAM CLI Path Traversal allows file copy to build container

Summary The AWS Serverless Application Model Command Line Interface AWS SAM CLI is an open-source CLI tool that helps Lambda developers to build and develop Lambda applications locally on their computers using Docker. When running the AWS SAM CLI build process with Docker and symlinks are include...

PYSEC-2026-1206 AWS SAM CLI Path Traversal allows file copy to local cache

Summary The AWS Serverless Application Model Command Line Interface AWS SAM CLI is an open-source CLI tool that helps Lambda developers to build and develop Lambda applications locally on their computers using Docker. After completing a build with AWS SAM CLI which include symlinks, the content o...

PYSEC-2026-1145 Apache Airflow Common SQL Provider Vulnerable to SQL Injection

Improper Neutralization of Special Elements used in an SQL Command 'SQL Injection' vulnerability in Apache Airflow Common SQL Provider. When using the partition clause in SQLTableCheckOperator as parameter which was a recommended pattern, Authenticated UI User could inject arbitrary SQL command...

PYSEC-2026-1552 Litestar and Starlite vulnerable to Path Traversal

Summary Local File Inclusion via Path Traversal in LiteStar Static File Serving A Local File Inclusion LFI vulnerability has been discovered in the static file serving component of LiteStar. This vulnerability allows attackers to exploit path traversal flaws, enabling unauthorized access to...

PYSEC-2026-1481 HTML injection in Jupyter Notebook and JupyterLab leading to DOM Clobbering

Impact The vulnerability depends on user interaction by opening a malicious notebook with Markdown cells, or Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user...

PYSEC-2026-1069 Malicious code in instructor-mcp (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of instructor-mcp were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials...

PYSEC-2026-1068 Malicious code in dreamgen (PyPI)

Part of the "Hades" wave of the Shai-Hulud supply-chain campaign. On 2026-06-08, malicious phantom releases of dreamgen were published to PyPI using stolen credentials. The package executes a bundled JavaScript payload via the Bun runtime on import that harvests and exfiltrates credentials and...

PYSEC-2026-2091

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. django.contrib.gis.gdal.GDALRaster over-reads its in-memory buffer when constructed from a bytes object, which can disclose adjacent memory or cause service degradation via a potential segmentation fault when the vsibuffer...

PYSEC-2026-2092

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. DomainNameValidator does not prohibit newlines in domain names unless used via a form field, since CharField strips newlines. If an application uses values with newlines in an HTTP response, header injection can occur. Djan...

PYSEC-2026-2090

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. UpdateCacheMiddleware and the cachepage decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache. Earlier,...

PYSEC-2026-1614 Synapse vulnerable to federation denial of service via malformed events

Impact A malicious server can craft events with a depth outside the integer range allowed by Canonical JSON. When such an event is received by Synapse version up to 1.127.0, it prevents it from federating with other servers. The vulnerability has been exploited in the wild. Patches Fixed in Synap...

PYSEC-2026-1085 Aim Excessive Data Query Operations in a Large Data Table vulnerability

In version 3.25.0 of aimhubio/aim, a denial of service vulnerability exists. By tracking a large number of Text objects and then querying them simultaneously through the web API, the Aim web server becomes unresponsive to other requests for an extended period while processing and returning these...

PYSEC-2026-1391 Frappe has possibility of SQL injection due to improper validations

Impact SQL injection could be achieved via a specially crafted request, which could allow malicious person to gain access to sensitive information. Workarounds Upgrading is required, no other workaround is present...

PYSEC-2026-1646 MLflow Cross-Site Request Forgery (CSRF) vulnerability

A Cross-Site Request Forgery CSRF vulnerability exists in the Signup feature of mlflow/mlflow versions 2.17.0 to 2.20.1. This vulnerability allows an attacker to create a new account, which may be used to perform unauthorized actions on behalf of the malicious user...

PYSEC-2026-1885 SageMaker Workflow component allows possibility of MD5 hash collisions

A vulnerability in the SageMaker Workflow component of aws/sagemaker-python-sdk allows for the possibility of MD5 hash collisions in all versions. This can lead to workflows being inadvertently replaced due to the reuse of results from different configurations that produce the same MD5 hash. This...

PYSEC-2026-1546 LiteLLM Has an Improper Authorization Vulnerability

An improper authorization vulnerability exists in the main-latest version of BerriAI/litellm. When a user with the role 'internaluserviewer' logs into the application, they are provided with an overly privileged API key. This key can be used to access all the admin functionality of the applicatio...

PYSEC-2026-1089 Aim Uncontrolled Resource Consumption vulnerability

In version 3.25.0 of aimhubio/aim, the tracking server is vulnerable to a denial of service attack. The server overrides the maximum size for websocket messages, allowing very large images to be tracked. This causes the server to become unresponsive to other requests while processing the large...

PYSEC-2026-1637 MLflow Uncontrolled Resource Consumption vulnerability

In mlflow/mlflow version 2.17.2, the /graphql endpoint is vulnerable to a denial of service attack. An attacker can create large batches of queries that repeatedly request all runs from a given experiment. This can tie up all the workers allocated by MLFlow, rendering the application unable to...

PYSEC-2026-1390 Frappe has possibility of SQL injection due to improper validations

Impact An SQL Injection vulnerability has been identified in Frappe Framework which could allow a malicious actor to access sensitive information. Workarounds Upgrading is required, no other workaround is present. Credits Thanks to Thanh of Calif.io for reporting the issue...

PYSEC-2026-1392 Frappe vulnerable to information disclosure leading to account takeover

Impact Making crafted requests could lead to information disclosure that could further lead to account takeover. Workarounds There's no workaround to fix this without upgrading. Credits Thanks to Thanh of Calif.io for reporting the issue...

PYSEC-2026-1543 LiteLLM Has a Leakage of Langfuse API Keys

In berriai/litellm version v1.52.1, an issue in proxyserver.py causes the leakage of Langfuse API keys when an error occurs while parsing team settings. This vulnerability exposes sensitive information, including langfusesecret and langfusepublickey, which can provide full access to the Langfuse...

PYSEC-2026-1393 Frappe has Possibility of Remote Code Execution due to improper validation

Impact A system user was able to create certain documents in a specific way that could lead to RCE. Workarounds There's no workaround, an upgrade is required. Credits Thanks to Thanh of Calif.io for reporting the issue...

PYSEC-2026-1076 AgentScope stored cross-site scripting (XSS) vulnerability

A stored cross-site scripting XSS vulnerability exists in modelscope/agentscope, as of the latest commit 21161fe on the main branch. The vulnerability occurs in the view for inspecting detailed run information, where a user-controllable string run ID is appended and rendered as HTML. This allows ...

PYSEC-2026-1263 composio allows Server-Side Request Forgery (SSRF) in BROWSERTOOL

A Server-Side Request Forgery SSRF vulnerability exists in composiohq/composio version v0.4.4. This vulnerability allows an attacker to read the contents of any file in the system by exploiting the BROWSERTOOLGOTOPAGE and BROWSERTOOLGETPAGEDETAILS actions...

PYSEC-2026-1441 H2O Vulnerable to Arbitrary File Overwrite

In h2oai/h2o-3 version 3.46.0, the /99/Models/name/json endpoint allows for arbitrary file overwrite on the target server. The vulnerability arises from the exportModelDetails function in ModelsHandler.java, where the user-controllable mexport.dir parameter is used to specify the file path for...

PYSEC-2026-1267 composio Server-Side Request Forgery (SSRF) vulnerability

A Server-Side Request Forgery SSRF vulnerability exists in composiohq/composio version v0.4.2, specifically in the /api/actions/execute/WEBTOOLSCRAPEWEBSITECONTENT endpoint. This vulnerability allows an attacker to read files, access AWS metadata, and interact with local services on the system...

PYSEC-2026-1545 LiteLLM Vulnerable to Denial of Service (DoS) via Crafted HTTP Request

A Denial of Service DoS vulnerability exists in berriai/litellm version v1.44.5. This vulnerability can be exploited by appending characters, such as dashes -, to the end of a multipart boundary in an HTTP request. The server continuously processes each character, leading to excessive resource...

PYSEC-2026-1638 MLflow has a Local File Read/Path Traversal in dbfs

A path traversal vulnerability exists in mlflow/mlflow version 2.15.1. When users configure and use the dbfs service, concatenating the URL directly into the file protocol results in an arbitrary file read vulnerability. This issue occurs because only the path part of the URL is checked, while...

PYSEC-2026-1861 Quivr unauthenticated Denial of Service (DoS) via Multipart Boundary

A Denial of Service DoS vulnerability in the file upload feature of stangirard/quivr v0.0.298 allows unauthenticated attackers to cause excessive resource consumption by appending characters to the end of a multipart boundary in an HTTP request. This leads to the server continuously processing ea...

PYSEC-2026-1725 Open WebUI lacks authentication for the `api/v1/utils/pdf` endpoint

In version v0.3.10 of open-webui/open-webui, the api/v1/utils/pdf endpoint lacks authentication mechanisms, allowing unauthenticated attackers to access the PDF generation service. This vulnerability can be exploited by sending a POST request with an excessively large payload, potentially leading...

PYSEC-2026-1219 BentoML Denial of Service (DoS) via Multipart Boundary

BentoML version v1.3.4post1 is vulnerable to a Denial of Service DoS attack. The vulnerability can be exploited by appending characters, such as dashes -, to the end of a multipart boundary in an HTTP request. This causes the server to continuously process each character, leading to excessive...

PYSEC-2026-1264 Composio Eval Injection Vulnerability

In composiohq/composio version 0.4.3, the mathematicalcalculator endpoint uses the unsafe eval function to perform mathematical operations. This can lead to arbitrary code execution if untrusted input is passed to the eval function...

PYSEC-2026-1548 LiteLLM Reveals Portion of API Key via a Logging File

In berriai/litellm before version 1.44.12, the litellm/litellmcoreutils/litellmlogging.py file contains a vulnerability where the API key masking code only masks the first 5 characters of the key. This results in the leakage of almost the entire API key in the logs, exposing a significant amount ...

PYSEC-2026-1410 Gradio DOS in multipart boundry while uploading the file

A vulnerability in the file upload process of gradio-app/gradio version @gradio/[email protected] allows for a Denial of Service DoS attack. An attacker can append a large number of characters to the end of a multipart boundary, causing the system to continuously process each character and issue...

PYSEC-2026-1800 Prefect CORS (Cross-Origin Resource Sharing) misconfiguration

A CORS Cross-Origin Resource Sharing misconfiguration in prefecthq/prefect prior to version 3.0.3 allows unauthorized domains to access sensitive data. This vulnerability can lead to unauthorized access to the database, resulting in potential data leaks, loss of confidentiality, service disruptio...

PYSEC-2026-1723 Open WebUI denial of service through endpoint for converting markdown

In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication. A maliciously crafted markdown payload can cause the server to spend excessive time converting it, leading to a denial of service. The server becomes unresponsive to other requests until...

PYSEC-2026-1438 H2O Vulnerable to Denial of Service (DoS) via `HEAD` Request

A vulnerability in the typeahead endpoint of h2oai/h2o-3 version 3.46.0 allows for a denial of service. The endpoint performs a HEAD request to verify the existence of a specified resource without setting a timeout. An attacker can exploit this by sending multiple requests to an attacker-controll...

PYSEC-2026-1443 H2O Vulnerable to Denial of Service (DoS) via `/3/ImportFiles` Endpoint

A vulnerability in the /3/ImportFiles endpoint of h2oai/h2o-3 version 3.46.1 allows an attacker to cause a denial of service. The endpoint takes a single GET parameter, path, which can be recursively set to reference itself. This leads the server to repeatedly call its own endpoint, eventually...

PYSEC-2026-1734 Open WebUI stored cross-site scripting (XSS) vulnerability

A stored cross-site scripting XSS vulnerability exists in open-webui/open-webui version 0.3.8. The vulnerability is present in the /api/v1/models/add endpoint, where the model description field is improperly sanitized before being rendered in chat. This allows an attacker to inject malicious...

PYSEC-2026-1083 Aim allows denial of service due to no timeouts for some tracking server endpoints

In version 3.23.0 of aimhubio/aim, certain methods that request data from external servers do not have set timeouts, causing the server to wait indefinitely for a response. This can lead to a denial of service, as the tracking server does not respond to other requests while waiting. The issue...

PYSEC-2026-1857 PyTorch Lightning denial of service vulnerability

A vulnerability in lightning-ai/pytorch-lightning version 2.3.2 allows an attacker to cause a denial of service by sending an unexpected POST request to the /api/v1/state endpoint of LightningApp. This issue occurs due to improper handling of unexpected state values, which results in the server...

PYSEC-2026-1727 Open WebUI Has Improper Access Control Leading to Arbitrary Prompt Read

In version v0.3.8 of open-webui/open-webui, improper access control vulnerabilities allow an attacker to view any prompts. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the /api/v1/prompts/ interface to retrieve all prompt...