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Advisories

LLaMA-Factory SSRF Guard Bypass via Redirect and DNS Rebinding

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severity
high
date
Affecting

  • LlamaFactory <= 0.9.5

CWE
  • CWE-918 Server-Side Request Forgery (SSRF)
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
George Chen
Description
LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API multimodal media URL handler that allows unauthenticated attackers to bypass SSRF validation. The check_ssrf_url guard validates URLs once but requests.get follows redirects and re-resolves DNS without re-validation, enabling attackers to use HTTP redirects or DNS rebinding to access internal addresses and cloud metadata endpoints.

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