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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| lm-sys | lm-sys/fastchat | unspecified – ≤ latest | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | fschat | <= 0.2.36 | — | GHSA-79rp-v9rm-gxm8 |