Open WebUI Allows Arbitrary File Write via the `download_model` Endpoint

In version 0.3.8 of open-webui/open-webui, an arbitrary file write vulnerability exists in the downloadmodel endpoint. When deployed on Windows, the application improperly handles file paths, allowing an attacker to manipulate the file path to write files to arbitrary locations on the server's...

PYSEC-2026-1735 Open WebUI Allows Viewing of Admin Details

An improper access control vulnerability in open-webui/open-webui v0.3.8 allows an attacker to view admin details. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the /api/v1/auths/admin/details interface to retrieve the first admin...

PYSEC-2026-1743 Open WebUI has SSRF in /openai/models

The /openai/models endpoint in open-webui/open-webui version 0.3.8 is vulnerable to Server-Side Request Forgery SSRF. An attacker can change the OpenAI URL to any URL without checks, causing the endpoint to send a request to the specified URL and return the output. This vulnerability allows the...

Open WebUI Allows Arbitrary File Reading and Deletion

An improper access control vulnerability in open-webui/open-webui v0.3.8 allows attackers to view and delete any files. The application does not verify whether the attacker is an administrator, allowing the attacker to directly call the GET /api/v1/files/ interface to retrieve information on all...

PYSEC-2026-1740 Open WebUI Allows Admin Deletion via API Endpoint

In open-webui/open-webui version v0.3.8, there is an improper privilege management vulnerability. The application allows an attacker, acting as an admin, to delete other administrators via the API endpoint http://0.0.0.0:8080/api/v1/users/uuidadministrator. This action is restricted by the user...

PYSEC-2026-1733 Open WebUI Uncontrolled Resource Consumption vulnerability

In version v0.3.32 of open-webui/open-webui, the application allows users to submit large payloads in the email and password fields during the sign-in process due to the lack of character length validation on these inputs. This vulnerability can lead to a Denial of Service DoS condition when a us...

PYSEC-2026-1396 FastChat Server-Side Request Forgery vulnerability

A Server-Side Request Forgery SSRF vulnerability was identified in the lm-sys/fastchat web server, specifically in the affected version git 2c68a13. This vulnerability allows an attacker to access internal server resources and data that are otherwise inaccessible, such as AWS metadata credentials...

PYSEC-2026-1080 Aim Uncontrolled Resource Consumption vulnerability

A vulnerability in aimhubio/aim version 3.25.0 allows for a denial of service DoS attack. The issue arises when a large number of tracked metrics are retrieved simultaneously from the Aim web API, causing the web server to become unresponsive. The root cause is the lack of a limit on the number o...

PYSEC-2026-1728 Open WebUI Uncontrolled Resource Consumption vulnerability

In version 0.3.32 of open-webui/open-webui, the absence of authentication mechanisms allows any unauthenticated attacker to access the api/v1/utils/code/format endpoint. If a malicious actor sends a POST request with an excessively high volume of content, the server could become completely...

PYSEC-2026-1421 Gradio Vulnerable to Denial of Service (DoS) via Crafted HTTP Request

A Regular Expression Denial of Service ReDoS vulnerability exists in the gradio-app/gradio repository, affecting the gr.Datetime component. The affected version is git commit 98cbcae. The vulnerability arises from the use of a regular expression ^?:\snow\s?:-\s\d+\sdmhs??\s$ to process user input...

PYSEC-2026-1229 Improper Access Control in janeczku/calibre-web

An improper access control vulnerability exists in janeczku/calibre-web. The affected version allows users without public shelf permissions to create public shelves. The vulnerability is due to the createshelf method in shelf.py not verifying if the user has the necessary permissions to create a...

PYSEC-2026-1232 Generation of Error Message Containing Sensitive Information in janeczku/calibre-web

A vulnerability in janeczku/calibre-web allows unauthorized users to view the names of private shelves belonging to other users. This issue occurs in the file shelf.py at line 221, where the name of the shelf is exposed in an error message when a user attempts to remove a book from a shelf they d...

PYSEC-2026-1236 Cross-site Scripting (XSS) - DOM in janeczku/calibre-web

A Cross-site Scripting XSS vulnerability exists in janeczku/calibre-web, specifically in the file editbooks.js. The vulnerability occurs when editing book properties, such as uploading a cover or a format. The affected code directly inserts user input into the DOM without proper sanitization,...

open-webui allows enumeration of file names and traversal of directories by observing the error messages

An information disclosure vulnerability exists in open-webui version 0.3.8. The vulnerability is related to the embedding model update feature under admin settings. When a user updates the model path, the system checks if the file exists and provides different error messages based on the existenc...

PYSEC-2026-1744 open-webui Insecure Direct Object Reference (IDOR) vulnerability

An Insecure Direct Object Reference IDOR vulnerability exists in open-webui/open-webui version v0.3.8. The vulnerability occurs in the API endpoint http://0.0.0.0:3000/api/v1/memories/id/update, where the decentralization design is flawed, allowing attackers to edit other users' memories without...

PYSEC-2026-1775 OAuth2 client ID and secret exposed through the web browser

pgAdmin versions 8.11 and earlier are vulnerable to a security flaw in OAuth2 authentication. This vulnerability allows an attacker to potentially obtain the client ID and secret, leading to unauthorized access to user data...

PYSEC-2026-1628 MindsDB Cross-site Scripting vulnerability

A cross-site scripting XSS vulnerability exists in all versions of the MindsDB platform, enabling the execution of a JavaScript payload whenever a user enumerates an ML Engine, database, project, or dataset containing arbitrary JavaScript code within the web UI...

Open WebUI Stored Cross-Site Scripting Vulnerability

Attackers can craft a malicious prompt that coerces the language model into executing arbitrary JavaScript in the context of the web page...

PYSEC-2026-1722 Open WebUI Stored Cross-Site Scripting Vulnerability

Attackers can craft a malicious prompt that coerces the language model into executing arbitrary JavaScript in the context of the web page...

PYSEC-2026-1809 [PUNCIA] [CWE-319] Cleartext Transmission of Sensitive Information via HTTP urls in `API_URLS`

Impact APIURLS is utilizing HTTP instead of HTTPS for communication that can lead to issues like Eavesdropping, Data Tampering, Unauthorized Data Access & MITM Attacks. References ISSUE PATCH...