CVE-2026-48855

Summary: CVE-2026-48855 affects Erlang OTP ssh_sftpd. An authenticated SFTP client can create a symlink inside a chroot that points to the filesystem root; when reading the link via SSH_FXP_READLINK, ssh_sftpd exposes the absolute backend root path (and any symlink targets) instead of the chroote...

CVE-2026-48855 SFTP READLINK Leaks Absolute Backend Filesystem Path When Root Is Configured

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Erlang OTP ssh sshsftpd module allows File Discovery. The SSHFXPREADLINK handler in sshsftpd sends the raw result of file:readlink/2 to the client without calling chrootfilename/2 to strip the backend root prefix. An...