{"id":"CVE-2026-88396","title":"ApiAdmin v5.0 and before is vulnerable to Directory Traversal","summary":"ApiAdmin v5.0 and before is vulnerable to Directory Traversal. The admin file-upload endpoint POST /admin/Index/upload in ApiAdmin takes the uploaded file's extension verbatim there is no whitelist, blacklist or content check and move_up…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-22"],"published":"2026-10-05","updated":"2026-10-06","sourceUpdated":"2026-10-06T23:16:56.530","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-88396","references":[{"url":"https://github.com/fangtang7/CVE/blob/main/ApiAdmin/rce.md","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-06T22:11:47.446872Z"},"epss":0.01032,"epssPercentile":0.63594,"ingestedAt":"2026-10-05T16:25:58.413Z","slug":"CVE-2026-88396","body":"## Overview\n\nApiAdmin v5.0 and before is vulnerable to Directory Traversal. The admin file-upload endpoint POST /admin/Index/upload in ApiAdmin takes the uploaded file's extension verbatim there is no whitelist, blacklist or content check and move_uploaded_file() drops the file into the web-accessible directory public/upload/Ymd/. Any logged-in admin user can upload a .php file and reach it directly over HTTP, achieving remote code execution on the server.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[{"seq":217026,"id":"CVE-2026-88396","ts":1791329183644,"field":"cvss","old":null,"new":"7.2"},{"seq":217025,"id":"CVE-2026-88396","ts":1791329183644,"field":"severity","old":"none","new":"high"}]}