{"id":"CVE-2026-116073","revision":"71587d1b27cc4296a9e0bfaef7956e1c","records":[{"revision":"71587d1b27cc4296a9e0bfaef7956e1c","observedAt":"2026-10-25T13:17:04.381+00:00","statement":{"source":"cve-program","id":"CVE-2026-116073","aliases":[],"title":"Leon before commit 50df142 Path Traversal via /download model Command","description":"Leon before commit 50df142 contains a path traversal vulnerability in getModelFileNameFromURL() that allows attackers to write files outside the models directory via percent-encoded separators. Attackers can trick a user into running '/download model' with a crafted URL containing encoded '../' sequences to write attacker-controlled content to arbitrary paths writable by Leon.","state":0,"publishedAt":"2026-10-25T11:51:00.624+00:00","modifiedAt":"2026-10-25T11:51:00.624+00:00","affected":[{"ecosystem":"Vendor product","name":"leon","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"leon-ai\",\n                    \"product\": \"leon\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"a3afdef81c8dd085b922f5a4e6b68bb9b9d802e4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\",\n                            \"lessThan\": \"50df142a89a0859e5b7283d87afdab7b01e712a2\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/leon-ai/leon/issues/593","https://github.com/leon-ai/leon","https://github.com/leon-ai/leon/blob/21baf11714f618a9367f25882e59e856d3308037/server/src/built-in-command/commands/download-command/download-command.ts#L21-L28","https://github.com/leon-ai/leon/pull/594","https://github.com/leon-ai/leon/commit/50df142a89a0859e5b7283d87afdab7b01e712a2","https://www.vulncheck.com/advisories/leon-before-commit-50df142-path-traversal-via-download-model-command"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116073","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116073","identifiers":["CVE-2026-116073"]},"retained":false,"historicalAffected":[]}],"coverage":[]}