Vulnerability · Published Mar 20, 2025 · Assigned by @huntr_ai
CVE-2024-7983Denial of Service in open-webui/open-webui
High 7.5
In plain English
A high-severity resource allocation without limits in open-webui/open-webui from open-webui. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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 & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | open-webui | no fix listed | GHSA-5v9m-57mq-qc75 |
| PyPI | open-webui | 0.5.13 | PYSEC-2026-1723 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| open-webui | open-webui/open-webui | unspecified – through latest |
Weakness: CWE-770 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H