CVE-2026-85673: Hiyouga Llamafactory

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Hiyouga Llamafactory: up to and including 0.9.5

Published 2026-09-04. Last modified 2026-09-24.