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.
Metrics
Affected Vendors & Products
References
History
Wed, 15 Oct 2025 13:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Weaknesses | CWE-400 |
Wed, 15 Oct 2025 13:00:00 +0000
Type | Values Removed | Values Added |
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Weaknesses | CWE-770 |
Mon, 21 Jul 2025 20:15:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Openwebui
Openwebui open Webui |
|
CPEs | cpe:2.3:a:openwebui:open_webui:0.3.8:*:*:*:*:*:*:* | |
Vendors & Products |
Openwebui
Openwebui open Webui |
Thu, 20 Mar 2025 19:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
Metrics |
ssvc
|
Thu, 20 Mar 2025 10:15:00 +0000
Type | Values Removed | Values Added |
---|---|---|
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. | |
Title | Denial of Service in open-webui/open-webui | |
Weaknesses | CWE-400 | |
References |
| |
Metrics |
cvssV3_0
|

Status: PUBLISHED
Assigner: @huntr_ai
Published:
Updated: 2025-10-15T12:49:52.820Z
Reserved: 2024-08-19T19:56:05.043Z
Link: CVE-2024-7983

Updated: 2025-03-20T17:51:10.788Z

Status : Modified
Published: 2025-03-20T10:15:38.387
Modified: 2025-10-15T13:15:53.130
Link: CVE-2024-7983

No data.

Updated: 2025-07-13T11:31:29Z