{"id":"CVE-2026-100715","title":"Froxlor through 2.3.10 is vulnerable to arbitrary file deletion via symlink following in the FTP data deletion cron task","summary":"Froxlor through 2.3.10 is vulnerable to arbitrary file deletion via symlink following in the FTP data deletion cron task. Cron task 8 (deleteFtpData), queued when an FTP account is deleted, calls FileDir::makeCorrectDir() without the $fi…","severity":"critical","cvss":9.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","cwe":["CWE-59"],"vendor":"froxlor","product":"froxlor","affected":["froxlor < 2.3.12"],"published":"2026-09-26","updated":"2026-09-28","sourceUpdated":"2026-09-28T17:17:45.913","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100715","references":[{"url":"https://github.com/froxlor/froxlor/security/advisories/GHSA-px4q-2rf7-cvcf","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/froxlor-before-2.3.12-arbitrary-file-deletion-via-symlink","label":"disclosure@vulncheck.com"},{"url":"https://github.com/froxlor/froxlor/security/advisories/GHSA-px4q-2rf7-cvcf","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-28T16:56:45.496100Z"},"ingestedAt":"2026-09-26T13:33:20.896Z","epss":0.00458,"epssPercentile":0.39534,"slug":"CVE-2026-100715","body":"## Overview\n\nFroxlor through 2.3.10 is vulnerable to arbitrary file deletion via symlink following in the FTP data deletion cron task. Cron task 8 (deleteFtpData), queued when an FTP account is deleted, calls FileDir::makeCorrectDir() without the $fixed_homedir argument, so the symlink component walk is skipped, and then executes 'rm -rf' as root on the resulting path with string-level guards only. Because makeCorrectDir() appends a trailing slash, GNU rm dereferences a symlink used either as an intermediate path component or as the final component. An authenticated customer who can write to the FTP home directory can plant a symlink between task insertion and cron execution, causing the root cron job to recursively delete arbitrary directory trees, resulting in cross-tenant data destruction and host denial of service. This issue is fixed in Froxlor 2.3.12.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":65,"depthScoreParts":{"impact":52.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":212037,"id":"CVE-2026-100715","ts":1790615854638,"field":"exploit_available","old":"false","new":"true"}]}