Open WebUIGHSA-5v9m-57mq-qc75
Open WebUI denial of service through endpoint for converting markdown
High7.5CVE-2024-7983 · Published Mar 20, 2025 · updated Jul 7, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| open-webui PyPI | <= 0.3.8 | No fix yet |
Details and references
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