CVE-2024-7983
highpriority · track · 0EPSS 0.009 · 59 %ileEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
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weaknesses
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affected products (4)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-5v9m-57mq-qc75Open WebUI denial of service through endpoint for converting markdown2025-03-20ghsa · osvUS
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.
- PYSEC-2026-1723Open WebUI denial of service through endpoint for converting markdown2026-07-07vendor · osvUS
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.
also known as (6)
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sources
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references (3)
External citations — patches, advisories, analysis.
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