{"id":"CVE-2024-7983","aliases":["GHSA-5v9m-57mq-qc75","PYSEC-2026-1723"],"title":"Open WebUI denial of service through endpoint for converting markdown","summary":"Open WebUI denial of service through endpoint for converting markdown","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"open-webui","product":"open-webui","ecosystem":"pip","affected":["open-webui <= 0.3.8"],"published":"2025-03-20","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-5v9m-57mq-qc75","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-7983"},{"url":"https://github.com/open-webui/open-webui"},{"url":"https://github.com/open-webui/open-webui/blob/eff736acd2e0bbbdd0eeca4cc209b216a1f23b6a/backend/apps/webui/routers/utils.py#L49"},{"url":"https://huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dc"}],"tags":["osv","pip"],"epss":0.0086,"epssPercentile":0.56506,"ingestedAt":"2026-07-08T18:25:46.199Z","slug":"CVE-2024-7983","body":"## Overview\n\nIn 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.\n\n## Affected packages\n\n- `open-webui <= 0.3.8`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}