high7.5
CVE-2024-7983
Open WebUI denial of service through endpoint for converting markdown
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | open-webui | <= 0.3.8 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openwebui | Open Webui | Version 0.3.8 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dc
- https://github.com/advisories/GHSA-5v9m-57mq-qc75
- https://nvd.nist.gov/vuln/detail/CVE-2024-7983
- https://github.com/open-webui/open-webui/blob/eff736acd2e0bbbdd0eeca4cc209b216a1f23b6a/backend/apps/webui/routers/utils.py#L49