{"schema":"threatline.record/2","record":{"id":"CVE-2026-103243","aliases":[],"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.","categories":["Unclassified"],"product":"LightLLM","vendor":"ModelTC","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103243","source_modified_at":"2026-10-02T16:17:56.167Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"LightLLM","vendor":"ModelTC","versions":[{"version":"0","status":"affected","versionType":"semver","lessThanOrEqual":"1.2.0"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00239,"percentile":0.14162,"score_date":"2026-10-23"},"published_at":"2026-09-30T14:48:54.414Z","modified_at":"2026-10-02T16:17:56.167Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103243","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-02T16:17:56.167Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103243","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/ModelTC/LightLLM/issues/1608","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/utils/multimodal_utils.py#L82-L91","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/multimodal_params.py#L149","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/ModelTC/LightLLM","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/lightllm-through-1.2.0-server-side-request-forgery-via-multimodal-endpoints","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-02T16:17:11.695138Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-02T16:17:56.167Z","content_hash":"71685afdcca557a90813018766a1cf324f3d37c17fbd9869c173c9c356058270"}}