{"id":"CVE-2024-10912","aliases":["EUVD-2025-7062","GHSA-79rp-v9rm-gxm8","PYSEC-2026-1395"],"status":"published","title":"Denial of Service in lm-sys/fastchat","description":"A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large filename, causing the server to become overwhelmed and unavailable to legitimate users.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00637,"percentile":0.50976,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2025-03-20T10:10:59Z","modified":"2026-07-07T17:57:19Z","affected":[{"source":"ghsa","ecosystem":"PyPI","package":"fschat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.2.36"}]}]},{"source":"osv","ecosystem":"PyPI","package":"fschat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.2.36"}]}],"versions":["0.1.1","0.1.10","0.1.2","0.1.3","0.1.4","0.1.5","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.1","0.2.10","0.2.11","0.2.12","0.2.13","0.2.14","0.2.15","0.2.16","0.2.17","0.2.18","0.2.2","0.2.20","0.2.21","0.2.23","0.2.24","0.2.26","0.2.27","0.2.28","0.2.29","0.2.3","0.2.30","0.2.31","0.2.32","0.2.33","0.2.34","0.2.35","0.2.36","0.2.4","0.2.5","0.2.6","0.2.7","0.2.8","0.2.9"]},{"source":"osv","ecosystem":"PyPI","package":"fschat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.2.36"}]}],"versions":["0.1.1","0.1.10","0.1.2","0.1.3","0.1.4","0.1.5","0.1.6","0.1.7","0.1.8","0.1.9","0.2.0","0.2.1","0.2.10","0.2.11","0.2.12","0.2.13","0.2.14","0.2.15","0.2.16","0.2.17","0.2.18","0.2.2","0.2.20","0.2.21","0.2.23","0.2.24","0.2.26","0.2.27","0.2.28","0.2.29","0.2.3","0.2.30","0.2.31","0.2.32","0.2.33","0.2.34","0.2.35","0.2.36","0.2.4","0.2.5","0.2.6","0.2.7","0.2.8","0.2.9"]}],"products":[{"vendor":"lm-sys","product":"fastchat"},{"vendor":"lm-sys","product":"lm-sys/fastchat"}],"references":[{"url":"https://huntr.com/bounties/52f335b8-1134-4d0f-acb4-efef516de414","tags":["Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-10912","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-79rp-v9rm-gxm8","tags":["advisory"]},{"url":"https://github.com/lm-sys/FastChat","tags":["package"]},{"url":"https://pypi.org/project/fschat","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-10912","title":"Denial of Service in lm-sys/fastchat","description":"A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large filename, causing the server to become overwhelmed and unavailable to legitimate users.","status":"published","published":"2025-03-20T10:10:59.83Z","modified":"2025-03-20T18:14:28.739Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:34:02.321514Z"}],"euvd":[{"id":"EUVD-2025-7062","description":"A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large filename, causing the server to become overwhelmed and unavailable to legitimate users.","status":"published","published":"2025-03-20T10:10:59Z","modified":"2025-03-20T18:14:28Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:57.377828Z"}],"ghsa":[{"id":"GHSA-79rp-v9rm-gxm8","title":"FastChat Denial of Service vulnerability","description":"A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large filename, causing the server to become overwhelmed and unavailable to legitimate users.","status":"published","published":"2025-03-20T12:32:41Z","modified":"2025-03-21T16:35:47Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:38:35.74197Z"}],"nvd":[{"id":"CVE-2024-10912","description":"A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large filename, causing the server to become overwhelmed and unavailable to legitimate users.","status":"published","published":"2025-03-20T10:15:21.607Z","modified":"2026-06-17T06:56:40.76Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:10:45.815983Z"}],"osv":[{"id":"GHSA-79rp-v9rm-gxm8","title":"FastChat Denial of Service vulnerability","description":"A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large filename, causing the server to become overwhelmed and unavailable to legitimate users.","status":"published","published":"2025-03-20T12:32:41Z","modified":"2026-07-07T17:57:19.823524759Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T15:46:41.002603Z"},{"id":"PYSEC-2026-1395","title":"FastChat Denial of Service vulnerability","description":"A Denial of Service (DoS) vulnerability exists in the file upload feature of lm-sys/fastchat version 0.2.36. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. An attacker can exploit this by sending a payload with an excessively large filename, causing the server to become overwhelmed and unavailable to legitimate users.","status":"published","published":"2026-07-07T14:34:52.223565Z","modified":"2026-07-07T17:46:29.830975759Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:54.622769Z"}]}}