Vulnerabilidades

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 the conversion is…

A Stored Cross-Site Scripting (XSS) vulnerability exists in the chat file upload functionality of open-webui/open-webui version 0.3.8. An attacker can inject malicious content into a file, which, when accessed by a victim through a URL or shared chat, executes JavaScript in the victim's browser. This can lead to user…

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 files uploaded by…

In version v0.3.8 of open-webui/open-webui, sensitive actions such as deleting and resetting are performed using the GET method. This vulnerability allows an attacker to perform Cross-Site Request Forgery (CSRF) attacks, where an unaware user can unintentionally perform sensitive actions by simply visiting a malicious…

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

In version v0.3.8 of open-webui, an improper privilege management vulnerability exists in the API endpoints GET /api/v1/documents/ and POST /rag/api/v1/doc. This vulnerability allows a lower-privileged user to access and overwrite files managed by a higher-privileged admin. By exploiting this vulnerability, an…

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 proper…

Attacker controlled files can be uploaded to arbitrary locations on the web server's filesystem by abusing a path traversal vulnerability.

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

Open WebUI is a user-friendly WebUI for LLMs. Open-webui is vulnerable to authenticated blind server-side request forgery. This vulnerability is fixed in 0.1.117.