Vulnerability · Published Mar 20, 2025 · Assigned by @huntr_ai
CVE-2024-10912Denial of Service in lm-sys/fastchat
High 7.5
In plain English
A high-severity uncontrolled resource consumption in lm-sys/fastchat from lm-sys. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | fschat | no fix listed | GHSA-79rp-v9rm-gxm8 |
| PyPI | fschat | no fix listed | PYSEC-2026-1395 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| lm-sys | lm-sys/fastchat | unspecified – through latest |
Weakness: CWE-400 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H