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.
Published: 2025-03-20
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-7062 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.
Github GHSA Github GHSA GHSA-79rp-v9rm-gxm8 FastChat Denial of Service vulnerability
History

Thu, 31 Jul 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Lm-sys
Lm-sys fastchat
CPEs cpe:2.3:a:lm-sys:fastchat:0.2.36:*:*:*:*:*:*:*
Vendors & Products Lm-sys
Lm-sys fastchat

Thu, 20 Mar 2025 10:15:00 +0000

Type Values Removed Values Added
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.
Title Denial of Service in lm-sys/fastchat
Weaknesses CWE-400
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Subscriptions

Lm-sys Fastchat
cve-icon MITRE

Status: PUBLISHED

Assigner: @huntr_ai

Published:

Updated: 2025-03-20T18:14:28.739Z

Reserved: 2024-11-06T00:32:13.946Z

Link: CVE-2024-10912

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-03-20T10:15:21.607

Modified: 2025-07-31T17:48:28.750

Link: CVE-2024-10912

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses