{"id":"UBUNTU-CVE-2026-119147","details":"ProFTPD before 1.3.9e and 1.3.10rc5 contains an authorization bypass in the mod_sftp copy-file extension handler that skips Limit WRITE checks for new destination files. Authenticated SFTP users can copy any readable file to a new path in write-denied directories, creating files where uploads are forbidden.","modified":"2026-11-04T03:30:25.455600699Z","published":"2026-11-03T00:00:00Z","upstream":["CVE-2026-119147"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-119147"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-119147"},{"type":"REPORT","url":"https://abraxaslabs.tech/research/proftpd-sftp-copy-file-write"},{"type":"REPORT","url":"https://github.com/proftpd/proftpd"},{"type":"REPORT","url":"https://github.com/proftpd/proftpd/blob/v1.3.9d/contrib/mod_sftp/fxp.c#L4748"},{"type":"REPORT","url":"https://github.com/proftpd/proftpd/commit/b7d3de4565ae448a510feecd17b41923e44bfe16"},{"type":"REPORT","url":"https://github.com/proftpd/proftpd/releases/tag/v1.3.10rc5"},{"type":"REPORT","url":"https://github.com/proftpd/proftpd/releases/tag/v1.3.9e"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/proftpd-before-1.3-9e-and-1.3-10rc5-mod-sftp-copy-file-authorization-bypass"}],"affected":[{"package":{"name":"proftpd-dfsg","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.5-2","1.3.5a-1","1.3.5a-1build1","1.3.5a-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.3.5a-1ubuntu0.1","binary_name":"proftpd-basic"},{"binary_name":"proftpd-mod-geoip","binary_version":"1.3.5a-1ubuntu0.1"},{"binary_name":"proftpd-mod-ldap","binary_version":"1.3.5a-1ubuntu0.1"},{"binary_name":"proftpd-mod-mysql","binary_version":"1.3.5a-1ubuntu0.1"},{"binary_version":"1.3.5a-1ubuntu0.1","binary_name":"proftpd-mod-odbc"},{"binary_name":"proftpd-mod-pgsql","binary_version":"1.3.5a-1ubuntu0.1"},{"binary_version":"1.3.5a-1ubuntu0.1","binary_name":"proftpd-mod-sqlite"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119147.json"}},{"package":{"name":"proftpd-dfsg","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.5d-1","1.3.5e-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"proftpd-basic","binary_version":"1.3.5e-1build1"},{"binary_version":"1.3.5e-1build1","binary_name":"proftpd-mod-geoip"},{"binary_name":"proftpd-mod-ldap","binary_version":"1.3.5e-1build1"},{"binary_name":"proftpd-mod-mysql","binary_version":"1.3.5e-1build1"},{"binary_name":"proftpd-mod-odbc","binary_version":"1.3.5e-1build1"},{"binary_name":"proftpd-mod-pgsql","binary_version":"1.3.5e-1build1"},{"binary_name":"proftpd-mod-sqlite","binary_version":"1.3.5e-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119147.json"}},{"package":{"name":"proftpd-dfsg","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.6-6build2","1.3.6c-1","1.3.6c-2","1.3.6c-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"proftpd-basic","binary_version":"1.3.6c-2ubuntu0.1"},{"binary_version":"1.3.6c-2ubuntu0.1","binary_name":"proftpd-mod-geoip"},{"binary_name":"proftpd-mod-ldap","binary_version":"1.3.6c-2ubuntu0.1"},{"binary_version":"1.3.6c-2ubuntu0.1","binary_name":"proftpd-mod-mysql"},{"binary_version":"1.3.6c-2ubuntu0.1","binary_name":"proftpd-mod-odbc"},{"binary_name":"proftpd-mod-pgsql","binary_version":"1.3.6c-2ubuntu0.1"},{"binary_name":"proftpd-mod-snmp","binary_version":"1.3.6c-2ubuntu0.1"},{"binary_version":"1.3.6c-2ubuntu0.1","binary_name":"proftpd-mod-sqlite"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119147.json"}},{"package":{"name":"proftpd-dfsg","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/proftpd-dfsg?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.7b+dfsg-1","1.3.7c+dfsg-1build1","1.3.7c+dfsg-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"proftpd-basic","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_name":"proftpd-core","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_version":"1.3.7c+dfsg-1ubuntu0.1","binary_name":"proftpd-mod-crypto"},{"binary_name":"proftpd-mod-geoip","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_name":"proftpd-mod-ldap","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_name":"proftpd-mod-mysql","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_name":"proftpd-mod-odbc","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_name":"proftpd-mod-pgsql","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_name":"proftpd-mod-snmp","binary_version":"1.3.7c+dfsg-1ubuntu0.1"},{"binary_version":"1.3.7c+dfsg-1ubuntu0.1","binary_name":"proftpd-mod-sqlite"},{"binary_version":"1.3.7c+dfsg-1ubuntu0.1","binary_name":"proftpd-mod-wrap"}]},"database_specific":{"source":"https://gith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