{"id":"CVE-2026-105420","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105420","generatedAt":"2026-11-04T11:56:56.580Z","title":"An attacker with admin privileges can add user directories via scripts, allowing the added directories to escape the base folder.","description":"Wing FTP Server does not verify user's base folder. An attacker with admin privileges can add user directories via scripts, allowing the added directories to escape the base folder. This allows the attacker to write files on the system and can lead to remote code execution with process owner privileges.Critically, since the installation guide mentions running the command with `sudo`, the files are created as “root.”\n\n\n\n\nThis issue was fixed in version 8.2.6.","published":"2026-10-28T14:16:56.000Z","lastModified":"2026-10-28T15:24:56.000Z","status":"Deferred","sourceIdentifier":"cvd@cert.pl","cvss":{"version":"4.0","score":9.4,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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":0.00518,"percentile":0.44114,"date":"2026-11-03","history":[{"date":"2026-10-29","score":0.00518,"percentile":0.43987}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-28T14:16:56.000Z","detail":{"score":"9.4","severity":"CRITICAL","publishedAt":"2026-10-28T14:16:56.230Z"},"summary":"New CVE, critical severity (CVSS 9.4)."}],"references":[{"url":"https://cert.pl/en/posts/2026/10/CVE-2026-105420","source":"cvd@cert.pl"},{"url":"https://www.wftpserver.com/","source":"cvd@cert.pl"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105420","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."}