CVE-2024-7983

HIGH7.5EPSS 0.41%

Open WebUI denial of service through endpoint for converting markdown

Published: 3/20/2025Modified: 10/16/2025
Also known as:GHSA-5v9m-57mq-qc75

Description

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.

Affected packages (1)

CVSS scores

SourceVersionSeverityVector
osvCVSS 3.1HIGH7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References (4)