High severityNVD Advisory· Published Mar 20, 2025· Updated Mar 20, 2025

Server-Side Request Forgery in lm-sys/fastchat

CVE-2024-11603

Description

A Server-Side Request Forgery (SSRF) vulnerability exists in lm-sys/fastchat version 0.2.36. The vulnerability is present in the /queue/join? endpoint, where insufficient validation of the path parameter allows an attacker to send crafted requests. This can lead to unauthorized access to internal networks or the AWS metadata endpoint, potentially exposing sensitive data and compromising internal servers.

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Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
fschatPyPI	<= 0.2.36	—

Affected products

ghsa-coords
pkg:pypi/fschat
Range: <= 0.2.36
Lm Sys/Fastchatcpe-rescue
Range: unspecified

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-h254-g997-685cghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2024-11603ghsaADVISORY
huntr.com/bounties/89f1158d-4a75-4000-a1bd-f82dd1a62bffghsaWEB

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