{"id":"CVE-2026-116073","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-116073","generatedAt":"2026-10-28T01:12:21.163Z","title":"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.","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.","published":"2026-10-25T12:16:30.000Z","lastModified":"2026-10-26T17:01:22.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-22"],"affected":[],"epss":{"score":0.00325,"percentile":0.2535,"date":"2026-10-26","history":[{"date":"2026-10-26","score":0.00325,"percentile":0.2535}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.33%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-25T12:16:30.000Z","detail":{"score":"6.9","severity":"MEDIUM","publishedAt":"2026-10-25T12:16:29.920Z"},"summary":"New CVE, medium severity (CVSS 6.9)."}],"references":[{"url":"https://github.com/leon-ai/leon","source":"disclosure@vulncheck.com"},{"url":"https://github.com/leon-ai/leon/blob/21baf11714f618a9367f25882e59e856d3308037/server/src/built-in-command/commands/download-command/download-command.ts#L21-L28","source":"disclosure@vulncheck.com"},{"url":"https://github.com/leon-ai/leon/commit/50df142a89a0859e5b7283d87afdab7b01e712a2","source":"disclosure@vulncheck.com"},{"url":"https://github.com/leon-ai/leon/issues/593","source":"disclosure@vulncheck.com"},{"url":"https://github.com/leon-ai/leon/pull/594","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/leon-before-commit-50df142-path-traversal-via-download-model-command","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-116073","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}