CVE-2024-7983 HIGH

CVE-2024-7983: Denial of Service in open-webui/open-webui

Vendor Open-Webui
Product open-webui/open-webui
Weakness CWE-770 · Uncontrolled resource consumption
Published March 20, 2025
Last update October 15, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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 complete.

Key dates

02Disclosure timeline

March 20, 2025 CVE published
October 15, 2025 Record updated