{"id":"CVE-2026-71805","title":"An arbitrary file upload and path traversal vulnerability exists in LZ-litchi 1.0.0","summary":"An arbitrary file upload and path traversal vulnerability exists in LZ-litchi 1.0.0. Unauthenticated remote attackers can upload arbitrary files and write them outside the intended storage directory via the directory parameter in POST /a…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-434"],"published":"2026-09-09","updated":"2026-09-10","sourceUpdated":"2026-09-10T16:17:53.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-71805","references":[{"url":"https://github.com/W000i/vuln/issues/9","label":"cve@mitre.org"},{"url":"https://github.com/W000i/vuln/issues/9","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-10T15:22:05.857144Z"},"ingestedAt":"2026-09-14T04:10:31.205Z","epss":0.00361,"epssPercentile":0.29855,"slug":"CVE-2026-71805","body":"## Overview\n\nAn arbitrary file upload and path traversal vulnerability exists in LZ-litchi 1.0.0. Unauthenticated remote attackers can upload arbitrary files and write them outside the intended storage directory via the directory parameter in POST /app-api/infra/file/upload.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":49659,"id":"CVE-2026-71805","ts":1789055639546,"field":"exploit_available","old":"false","new":"true"},{"seq":49658,"id":"CVE-2026-71805","ts":1789055639546,"field":"cvss","old":null,"new":"9.8"},{"seq":49657,"id":"CVE-2026-71805","ts":1789055639546,"field":"severity","old":"none","new":"critical"}]}