CVE-2024-7983: open-webui open-webui/open-webui
Vulnerability summary
CVE-2024-7983 is a high (CVSS 7.5) vulnerability in open-webui open-webui/open-webui. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.3% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 20-03-2025PublishedVulnerability first disclosed.
- 15-10-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.88%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
+0.02 pp
From 0.86% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (huntr.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Open-webui1 product
- open-webui/open-webui≥ unspecified, ≤ latest
Openwebui1 product
- open_webui0.3.8
PyPI1 product
- open-webui≤ 0.3.8 | < 0.5.13
3 vendors · 3 products
References
7 links
- pypi.org/project/open-webuiPACKAGE