{
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                "id": "CVE-2026-32147",
                "options": [
                  {
                    "Exploitation": "none"
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2026-04-21T13:11:06.946869Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2026-04-21T13:11:40.325Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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          "repo": "https://github.com/erlang/otp",
          "vendor": "Erlang",
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                  "at": "5.5.3",
                  "status": "unaffected"
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              "versionType": "git"
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              "value": "The SFTP subsystem must be configured with the \u003ctt\u003eroot\u003c/tt\u003e option in \u003ctt\u003essh_sftpd:subsystem_spec/1\u003c/tt\u003e. The \u003ctt\u003eroot\u003c/tt\u003e option is not set by default."
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          "type": "finder",
          "value": "John Downey"
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        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Micha\u0142 W\u0105sowski"
        },
        {
          "lang": "en",
          "type": "remediation reviewer",
          "value": "Jakub Witczak"
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      ],
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              "value": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027) vulnerability in Erlang OTP \u003ctt\u003essh\u003c/tt\u003e (\u003ctt\u003essh_sftpd\u003c/tt\u003e module) allows an authenticated SFTP user to modify file attributes outside the configured chroot directory.\u003cp\u003eThe SFTP daemon (\u003ctt\u003essh_sftpd\u003c/tt\u003e) stores the raw, user-supplied path in file handles instead of the chroot-resolved path. When \u003ctt\u003eSSH_FXP_FSETSTAT\u003c/tt\u003e is issued on such a handle, file attributes (permissions, ownership, timestamps) are modified on the real filesystem path, bypassing the root directory boundary entirely.\u003c/p\u003e\u003cp\u003eAny authenticated SFTP user on a server configured with the \u003ctt\u003eroot\u003c/tt\u003e 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.\u003c/p\u003e\u003cp\u003eIf the SSH daemon runs as \u003ctt\u003eroot\u003c/tt\u003e, 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.\u003c/p\u003e\u003cp\u003eThis vulnerability is associated with program files \u003ctt\u003elib/ssh/src/ssh_sftpd.erl\u003c/tt\u003e and program routines \u003ctt\u003essh_sftpd:do_open/4\u003c/tt\u003e and \u003ctt\u003essh_sftpd:handle_op/4\u003c/tt\u003e.\u003c/p\u003e\u003cp\u003eThis issue affects OTP from OTP 17.0 before OTP\u0026nbsp;28.4.3, OTP\u0026nbsp;27.3.4.11 and OTP\u0026nbsp;26.2.5.20, corresponding to \u003ctt\u003essh\u003c/tt\u003e from 3.0.1 before 5.5.3, 5.2.11.7 and 5.1.4.15.\u003c/p\u003e"
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            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N",
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            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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    "datePublished": "2026-04-21T12:01:20.350Z",
    "dateReserved": "2026-03-10T22:37:29.213Z",
    "dateUpdated": "2026-07-24T14:14:17.633Z",
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