What is CVE-2024-7983?

CVE-2024-7983 is a high-severity vulnerability in Open-Webui Open-Webui/open-Webui, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-03-20.

How severe is CVE-2024-7983?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Open-Webui Open-Webui/open-Webui

CVE-2024-7983

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.

Published 2025-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (57.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Open-Webui Open-Webui/open-Webui — versions unspecified
Openwebui Open Webui — versions 0.3.8

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dc (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-7983?: CVE-2024-7983 is a high-severity vulnerability in Open-Webui Open-Webui/open-Webui, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-03-20.
How severe is CVE-2024-7983?: High severity. CVSS v3 base score is 7.5 out of 10.