CVE-2026-35025 ProFTPD ACL Bypass via /proc/self/root Path Prefix in RNFR

ProFTPD through 1.3.9b and 1.3.10rc2 contains an access control bypass vulnerability that allows authenticated FTP users to circumvent Directory ACL restrictions by prefixing paths with /proc/self/root in the RNFR command handler. Attackers can exploit the unresolved symlink components in...

PT-2026-51789

Name of the Vulnerable Software and Affected Versions ProFTPD versions 1.3.9b through 1.3.10rc2 Description An access control bypass allows authenticated FTP users to circumvent Directory ACL restrictions. By prefixing paths with /proc/self/root in the RNFR command handler, attackers can exploit...