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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.
Reserved 2024-11-06 | Published 2025-03-20 | Updated 2025-03-20 | Assigner @huntr_aiCWE-400 Uncontrolled Resource Consumption
huntr.com/bounties/52f335b8-1134-4d0f-acb4-efef516de414
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