Medium severity5.8NVD Advisory· Published Sep 30, 2026· Updated Sep 30, 2026
CVE-2026-103243
CVE-2026-103243
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
4- github.com/ModelTC/LightLLM/issues/1608nvd
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/multimodal_params.pynvd
- github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/utils/multimodal_utils.pynvd
- www.vulncheck.com/advisories/lightllm-through-1.2.0-server-side-request-forgery-via-multimodal-endpointsnvd
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