CVE-2026-103243
MEDIUMCVSS 5.8Description
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.
Timeline
Published:September 30th, 2026 3:22 PM
Last modified:September 30th, 2026 3:22 PM
CVSS Scoring
CVSS v3: 5.8 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
- https://github.com/ModelTC/LightLLM
- https://github.com/ModelTC/LightLLM/issues/1608
- https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/multimodal_params.py#L149
- https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/utils/multimodal_utils.py#L82-L91
- https://www.vulncheck.com/advisories/lightllm-through-1.2.0-server-side-request-forgery-via-multimodal-endpoints
Source: NIST NVD · Data may lag official sources by up to one minute