erlang: ssh: Erlang OTP ssh: Information disclosure via SFTP REALPATH handler

A flaw was found in Erlang OTP's Secure Shell SSH component, specifically within the SSH File Transfer Protocol SFTP daemon's sshsftpd module. An authenticated SFTP user can exploit an observable response discrepancy in the REALPATH handler to enumerate the existence of files and directories...

CVE-2026-53422 SFTP REALPATH path-existence oracle allowing filesystem enumeration outside configured root

Observable Response Discrepancy vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSHFXPREALPATH handler in sshsftpd calls relatefilename/3 with Canonicalize=false, unlik...

EUVD-2026-41410

Observable Response Discrepancy vulnerability in Erlang OTP ssh sshsftpd module allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSHFXPREALPATH handler in sshsftpd calls relatefilename/3 with Canonicalize=false, unlik...