Cross-site Request Forgery (CSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF through the endpoints /rag/api/v1/reset, /rag/api/v1/reset/db, /api/v1/memories/reset, and /rag/api/v1/reset/uploads. An attacker can manipulate the application's state and...

GHSA-GV26-QW3H-8QVP 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...

GHSA-43G4-487M-5Q6M Open WebUI Vulnerable to a Session Fixation Attack

A vulnerability in open-webui/open-webui version 0.3.8 allows an attacker with a user-level account to perform a session fixation attack. The session cookie for all users is set with the default SameSite=Lax and does not have the Secure flag enabled, allowing the session cookie to be sent over HT...

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...

Open WebUI Cross-Site Request Forgery (CSRF) Vulnerability

A vulnerability in open-webui/open-webui versions = 0.3.8 allows remote code execution by non-admin users via Cross-Site Request Forgery CSRF. The application uses cookies with the SameSite attribute set to lax for authentication and lacks CSRF tokens. This allows an attacker to craft a malicious...

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...

GHSA-85JC-8H5P-8VW8 Open WebUI Cross-Site Request Forgery (CSRF) Vulnerability

A vulnerability in open-webui/open-webui versions = 0.3.8 allows remote code execution by non-admin users via Cross-Site Request Forgery CSRF. The application uses cookies with the SameSite attribute set to lax for authentication and lacks CSRF tokens. This allows an attacker to craft a malicious...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS. An attacker with a user-level account can manipulate session cookies to hijack administrator sessions, leading to unauthorized actions and potential system compromise by embedding a...

GHSA-6WJ5-5PGR-JWQ8 Open WebUI Unauthenticated Multipart Boundary Denial of Service (DoS) Vulnerability in api/chat/file

A vulnerability in open-webui/open-webui version 79778fa allows an attacker to cause a Denial of Service DoS by uploading a file with a malformed multipart boundary. By appending a large number of characters to the end of the multipart boundary, the server continuously processes each character,...

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 Unauthenticated Multipart Boundary Denial of Service (DoS) Vulnerability in api/chat/file

A vulnerability in open-webui/open-webui version 79778fa allows an attacker to cause a Denial of Service DoS by uploading a file with a malformed multipart boundary. By appending a large number of characters to the end of the multipart boundary, the server continuously processes each character,...

Directory Traversal

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Directory Traversal through the /models/upload endpoint. An attacker can manipulate the file.filename parameter to include directory traversal sequences, causing the resulting filepath to escape the intended...

GHSA-WCWP-9RCP-JVFG Open WebUI Uncontrolled Resource Consumption vulnerability

A vulnerability in open-webui/open-webui v0.3.8 allows an unauthenticated attacker to sign up with excessively large text in the 'name' field, causing the Admin panel to become unresponsive. This prevents administrators from performing essential user management actions such as deleting, editing, ...

Incorrect Synchronization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Synchronization due to improper access control mechanisms. An attacker can view and delete any files by directly calling specific API endpoints without needing administrative privileges. This is onl...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS via the chat file upload functionality. An attacker can inject malicious scripts or content into a file, which, when accessed by a victim through a URL or shared chat, executes...

GHSA-CRH6-PJ8C-XRHC Open WebUI Allows Arbitrary File Write via the `/models/upload` Endpoint

In open-webui version 0.3.8, the endpoint /models/upload is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of filepath = f"UPLOADDIR/file.filename" without proper input validation or sanitization. An attacker can...

Open WebUI Uncontrolled Resource Consumption vulnerability

A vulnerability in open-webui/open-webui v0.3.8 allows an unauthenticated attacker to sign up with excessively large text in the 'name' field, causing the Admin panel to become unresponsive. This prevents administrators from performing essential user management actions such as deleting, editing, ...

Open WebUI Allows Arbitrary File Write via the `/models/upload` Endpoint

In open-webui version 0.3.8, the endpoint /models/upload is vulnerable to arbitrary file write due to improper handling of user-supplied filenames. The vulnerability arises from the usage of filepath = f"UPLOADDIR/file.filename" without proper input validation or sanitization. An attacker can...

Improper Privilege Management

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Improper Privilege Management through the API endpoint http://0.0.0.0:8080/api/v1/users/uuidadministrator. An attacker, acting as an admin, can delete other administrators. This action is restricted by the us...

Arbitrary File Write via Archive Extraction (Zip Slip)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Arbitrary File Write via Archive Extraction Zip Slip through the downloadmodel endpoint. An attacker can manipulate file paths to write files to arbitrary locations on the server's filesystem, potentially...