{"id":"CVE-2026-103270","revision":"b84c416ff82a40df807cda49b31b4b36","records":[{"revision":"b84c416ff82a40df807cda49b31b4b36","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103270","aliases":[],"title":"LightLLM through 1.2.0 Missing Authentication on RL Control Routes","description":"LightLLM through 1.2.0 mounts reinforcement learning control routes on the public HTTP API without authentication checks. Unauthenticated attackers can call endpoints like /pause_generation, /abort_request, /flush_cache, and /init_weights_update_group to disrupt inference operations and wedge workers on deployments started with --enable_rl.","state":0,"publishedAt":"2026-09-30T14:48:55.071+00:00","modifiedAt":"2026-09-30T16:00:02.085+00:00","affected":[{"ecosystem":"Vendor product","name":"LightLLM","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"ModelTC\",\n                    \"product\": \"LightLLM\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:github/ModelTC/lightllm\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"1.2.0\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/ModelTC/lightllm\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/ModelTC/LightLLM/issues/1609","https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/api_http.py#L505-L507","https://github.com/ModelTC/lightllm/blob/v1.2.0/lightllm/server/api_http_rl.py#L51-L139","https://github.com/ModelTC/LightLLM","https://www.vulncheck.com/advisories/lightllm-through-1.2.0-missing-authentication-on-rl-control-routes"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103270","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103270","identifiers":["CVE-2026-103270"]},"retained":false,"historicalAffected":[]}],"coverage":[]}