SSRF in POST /worker_generate_stream API endpoint in lm-sys/fastchat
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA.
Summary
A Server-Side Request Forgery (SSRF) vulnerability exists in the POST /worker_generate_stream API endpoint of the Controller API Server in lm-sys/fastchat, as of commit e208d5677c6837d590b81cb03847c0b9de100765. This vulnerability allows attackers to exploit the victim controller API server's credentials to perform unauthorized web actions or access unauthorized web resources by combining it with the POST /register_worker endpoint.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-10044
- 2026-10-03 Alias added: GHSA-h6qm-w442-h848
References
More lm-sys Fastchat vulnerabilities
- TI-2024-11482 Server Side Request Forgery in lm-sys/fastchat CVSS 3.0HIGH 7.5
- 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
- CVE-2024-10044 · CVE Program
- CVE-2024-10044 · NVD
- FIRST EPSS
- GHSA-h6qm-w442-h848 · GitHub Advisory Database · CC BY 4.0
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