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        "state": "PUBLISHED",
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        "dateReserved": "2026-03-10T22:37:29.213Z",
        "datePublished": "2026-04-21T12:01:20.350Z",
        "dateUpdated": "2026-07-24T14:14:17.633Z"
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                    "type": "finder",
                    "value": "John Downey"
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                    "type": "remediation developer",
                    "value": "Michał Wąsowski"
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                    "value": "Jakub Witczak"
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                            "value": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP <tt>ssh</tt> (<tt>ssh_sftpd</tt> module) allows an authenticated SFTP user to modify file attributes outside the configured chroot directory.<p>The SFTP daemon (<tt>ssh_sftpd</tt>) stores the raw, user-supplied path in file handles instead of the chroot-resolved path. When <tt>SSH_FXP_FSETSTAT</tt> is issued on such a handle, file attributes (permissions, ownership, timestamps) are modified on the real filesystem path, bypassing the root directory boundary entirely.</p><p>Any authenticated SFTP user on a server configured with the <tt>root</tt> option can modify file attributes of files outside the intended chroot boundary. The prerequisite is that a target file must exist on the real filesystem at the same relative path. Note that this vulnerability only allows modification of file attributes; file contents cannot be read or altered through this attack vector.</p><p>If the SSH daemon runs as <tt>root</tt>, this enables direct privilege escalation: an attacker can set the setuid bit on any binary, change ownership of sensitive files, or make system configuration world-writable.</p><p>This vulnerability is associated with program files <tt>lib/ssh/src/ssh_sftpd.erl</tt> and program routines <tt>ssh_sftpd:do_open/4</tt> and <tt>ssh_sftpd:handle_op/4</tt>.</p><p>This issue affects OTP from OTP 17.0 before OTP&nbsp;28.4.3, OTP&nbsp;27.3.4.11 and OTP&nbsp;26.2.5.20, corresponding to <tt>ssh</tt> from 3.0.1 before 5.5.3, 5.2.11.7 and 5.1.4.15.</p>"
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                    "url": "https://osv.dev/vulnerability/EEF-CVE-2026-32147"
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                    "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
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                "discovery": "EXTERNAL"
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            "title": "SFTP chroot bypass via path traversal in SSH_FXP_FSETSTAT",
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