CVE-2026-103243 [MEDIUM] – LightLLM through 1.2.0 fails to validate image_url and audio_url parameters in multimodal

LightLLM through 1.2.0 fails to validate image_url and audio_url parameters in multimodal endpoints, allowing unauthenticated attackers to perform server-side request forgery. Attackers can supply arbitrary URLs to fetch internal resources, with vision model processing disclosing content or error responses revealing internal network topology.