{"id":"CVE-2026-103243","summary":"LightLLM through 1.2.0 Server-Side Request Forgery via multimodal endpoints","details":"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.","modified":"2026-10-04T02:30:29.830777831Z","published":"2026-09-30T14:48:54.414Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103243.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103243.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103243"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/lightllm-through-1.2.0-server-side-request-forgery-via-multimodal-endpoints"},{"type":"REPORT","url":"https://github.com/ModelTC/LightLLM/issues/1608"},{"type":"PACKAGE","url":"https://github.com/ModelTC/LightLLM"},{"type":"PACKAGE","url":"https://github.com/ModelTC/lightllm"},{"type":"ARTICLE","url":"https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/multimodal_params.py#L149"},{"type":"ARTICLE","url":"https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/utils/multimodal_utils.py#L82-L91"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/modeltc/lightllm","events":[{"introduced":"0"},{"fixed":"65c174ee95ac6a6fd36b18b63d0b33d97e76b770"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0"},{"last_affected":"1.2.0"},{"fixed":"1.2.0"}]}}],"versions":["v1.1.0","v1.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-103243.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N"}]}