{"id":"UBUNTU-CVE-2026-119568","details":"vsftpd through 3.0.5 contains an authentication bypass vulnerability in ssl_data_accept() that allows unauthenticated attackers to hijack FTPS data connections by resuming their own TLS session ticket. Attackers sharing the victim's source IP can obtain a ticket via AUTH TLS, then connect to the victim's PASV port to steal downloads or inject upload data.","modified":"2026-11-04T03:30:33.064751622Z","published":"2026-11-03T00:00:00Z","upstream":["CVE-2026-119568"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-119568"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-119568"},{"type":"REPORT","url":"https://abraxaslabs.tech/research/vsftpd-ssl-data-any-ticket"},{"type":"REPORT","url":"https://security.appspot.com/vsftpd.html"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/vsftpd-through-3.0.5-require-ssl-reuse-bypass-via-ftps-data-channel-hijacking"}],"affected":[{"package":{"name":"vsftpd","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.2-1ubuntu2","3.0.2-1ubuntu2.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"vsftpd","binary_version":"3.0.2-1ubuntu2.14.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}},{"package":{"name":"vsftpd","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.2-20ubuntu1","3.0.3-1ubuntu1","3.0.3-2ubuntu1","3.0.3-3ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"vsftpd","binary_version":"3.0.3-3ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}},{"package":{"name":"vsftpd","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-9","3.0.3-9build1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.3-9build1","binary_name":"vsftpd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}},{"package":{"name":"vsftpd","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-12","3.0.5-0ubuntu0.20.04.1","3.0.5-0ubuntu0.20.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.5-0ubuntu0.20.04.2","binary_name":"vsftpd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}},{"package":{"name":"vsftpd","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-13build1","3.0.3-13build2","3.0.5-0ubuntu1","3.0.5-0ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"vsftpd","binary_version":"3.0.5-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}},{"package":{"name":"vsftpd","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0ubuntu1","3.0.5-0ubuntu2","3.0.5-0ubuntu3","3.0.5-0ubuntu3.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.5-0ubuntu3.1","binary_name":"vsftpd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}},{"package":{"name":"vsftpd","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0.4","3.0.5-0.7","3.0.5-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"vsftpd","binary_version":"3.0.5-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}},{"package":{"name":"vsftpd","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/vsftpd?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0.3","3.0.5-0.4"],"ecosystem_specific":{"binaries":[{"binary_name":"vsftpd","binary_version":"3.0.5-0.4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-119568.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}