{"id":"CVE-2024-7983","summary":"Denial of Service in open-webui/open-webui","details":"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.","aliases":["GHSA-5v9m-57mq-qc75","PYSEC-2026-1723"],"modified":"2026-08-12T03:51:20.509903412Z","published":"2025-03-20T10:10:35.664Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/7xxx/CVE-2024-7983.json","cna_assigner":"@huntr_ai","cwe_ids":["CWE-770"]},"references":[{"type":"WEB","url":"https://huntr.com/bounties/f8156ca5-1328-480f-a72b-8d3dfdad87dc"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/7xxx/CVE-2024-7983.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-7983"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/open-webui/open-webui","events":[{"introduced":"9bcd4ce5c0a01af68c0d2aa44554a68bb741c61b"},{"last_affected":"9bcd4ce5c0a01af68c0d2aa44554a68bb741c61b"}],"database_specific":{"extracted_events":[{"introduced":"0.3.8"},{"last_affected":"0.3.8"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:openwebui:open_webui:0.3.8:*:*:*:*:*:*:*"}}],"versions":["0.3.8","v0.3.8"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-7983.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}