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 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...

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...

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...

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, ...

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...

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...

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...

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...

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...

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...

GHSA-PQWR-PHVV-V49F 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...

GHSA-W466-2WFC-8G58 Open WebUI has vulnerable dependency on starlette via fastapi

In version 0.3.32 of open-webui, the application uses a vulnerable version of the starlette package through its dependency on fastapi. The starlette package versions =0.49 are susceptible to uncontrolled resource consumption, which can be exploited to cause a denial of service through memory...

Open WebUI has vulnerable dependency on starlette via fastapi

In version 0.3.32 of open-webui, the application uses a vulnerable version of the starlette package through its dependency on fastapi. The starlette package versions =0.49 are susceptible to uncontrolled resource consumption, which can be exploited to cause a denial of service through memory...

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...

Allocation of Resources Without Limits or Throttling

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the api/v1/utils/code/format endpoint. An attacker can cause the server to become unresponsive or experience significant degradation by sending a...

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...

GHSA-G3MX-83MP-3RWC 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...