{"id":"CVE-2026-116073","revision":null,"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":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-10-26T07:22:41.6495871+00:00","complete":true,"records":1756,"lastAttemptAt":"2026-10-26T07:22:41.6495871+00:00","lastSuccessAt":"2026-10-26T07:22:41.8330616+00:00","error":null,"lastVerifiedAt":"2026-10-26T07:22:41.8330643+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-5ba1945314e042c2ced14b33f3680fa71692812d925544312b218f5eb8a26e71-b8eb7385e2a340d19cd3546f49381ea6fb0fba6a3293f33235d595669c62d9d0","complete":true,"records":414077,"lastAttemptAt":"2026-10-26T07:21:02.3332693+00:00","lastSuccessAt":"2026-10-26T07:21:02.3204796+00:00","error":null,"lastVerifiedAt":"2026-10-26T07:21:02.3332693+00:00","snapshotPublishedAt":"2026-10-26T06:40:16+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-43321610382942b8ad8c85917eab1546","complete":false,"records":4735,"lastAttemptAt":"2026-10-26T07:22:44.2990387+00:00","lastSuccessAt":"2026-10-24T23:18:49.862+00:00","error":"InvalidDataException","lastVerifiedAt":"2026-10-24T23:18:49.862+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":4764,"expectedIdentifiers":13474},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-26T07:22:41.6495871+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-26T07:22:41.6495871+00:00","lastSuccessAt":"2026-10-26T07:22:41.8348887+00:00","error":null,"lastVerifiedAt":"2026-10-26T07:22:41.8348895+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-204a3fb93a00487e8f7f36db01dc851d","complete":true,"records":13413,"lastAttemptAt":"2026-10-26T07:22:42.2996982+00:00","lastSuccessAt":"2026-10-25T16:19:28.681+00:00","error":null,"lastVerifiedAt":"2026-10-25T16:19:28.681+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13474,"expectedIdentifiers":13474},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-2375a4e597279abf92e8747e140fe8da9d421877cd49cae3ac69a2cb78469b2c","complete":true,"records":9779,"lastAttemptAt":"2026-10-26T07:22:41.6032893+00:00","lastSuccessAt":"2026-10-24T13:19:53.1346702+00:00","error":null,"lastVerifiedAt":"2026-10-26T07:22:41.6032893+00:00","snapshotPublishedAt":"2026-10-24T03:03:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-16ad89dfea13ab9e9b0108e63a759d63bd4559cc68b58491107d62ee35bbbaf2","complete":true,"records":1965,"lastAttemptAt":"2026-10-26T07:21:02.4710939+00:00","lastSuccessAt":"2026-10-23T16:01:26.4487605+00:00","error":null,"lastVerifiedAt":"2026-10-26T07:21:02.4710939+00:00","snapshotPublishedAt":"2026-10-21T12:18:07+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-7da67a15aa6e56a0e3081a7646dc74d537e6ef974afc593c2b1794ed01970648","complete":true,"records":2969,"lastAttemptAt":"2026-10-26T07:22:41.6153558+00:00","lastSuccessAt":"2026-10-24T13:19:59.1145547+00:00","error":null,"lastVerifiedAt":"2026-10-26T07:22:41.6153558+00:00","snapshotPublishedAt":"2026-10-24T08:47:51+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-5a8b097cf1e7add92f12edd4da6073149fa916076fa0c6696eb000c55dcfe336","complete":true,"records":230804,"lastAttemptAt":"2026-10-26T07:22:41.4723388+00:00","lastSuccessAt":"2026-10-26T07:22:40.3231371+00:00","error":null,"lastVerifiedAt":"2026-10-26T07:22:41.4723388+00:00","snapshotPublishedAt":"2026-10-26T06:48:11+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null}]}