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TI-2024-11482 Aliases CVE-2024-12376GHSA-g44m-hpf4-vmrp

Server Side Request Forgery in lm-sys/fastchat

Priority HIGH 72CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-918 and the CVSS impact.

Summary

A Server-Side Request Forgery (SSRF) vulnerability was identified in the lm-sys/fastchat web server, specifically in the affected version git 2c68a13. This vulnerability allows an attacker to access internal server resources and data that are otherwise inaccessible, such as AWS metadata credentials.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00761 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
lm-syslm-sys/fastchatup to latest—No fix listedCNA
—fschat (PyPI)up to 0.2.36—No fix listedGHSA-g44m-hpf4-vmrp
  • lm-sys/fastchat Vendorlm-sys Affected up to latest Fixed in — No fix listed CNA
  • fschat (PyPI) Vendor— Affected up to 0.2.36 Fixed in — No fix listed GHSA-g44m-hpf4-vmrp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lm-sys:fastchat:2024-10-05:*:*:*:*:*:*:*2024-10-05Vulnerablelm-sys
  • cpe:2.3:a:lm-sys:fastchat:2024-10-05:*:*:*:*:*:*:* Versions 2024-10-05 Vulnerable ·lm-sys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-12376
  2. 2026-10-03 Alias added: GHSA-g44m-hpf4-vmrp

References

Exploit 1

Advisory 1

Other 1

  • TI-2024-09320 SSRF in POST /worker_generate_stream API endpoint in lm-sys/fastchat CVSS 3.0CRITICAL 9.3
  • TI-2024-10750 Server-Side Request Forgery in lm-sys/fastchat CVSS 3.0HIGH 7.5
  • TI-2024-10115 Denial of Service in lm-sys/fastchat CVSS 3.0HIGH 7.5
  • TI-2024-10111 Denial of Service (DoS) via Multipart Boundary in lm-sys/fastchat CVSS 3.0HIGH 7.5
  • TI-2024-10112 Open Redirect in lm-sys/fastchat CVSS 3.0MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences