{"id":"CVE-2026-119568","aliases":["AZL-111799","DEBIAN-CVE-2026-119568","EUVD-2026-113833","GHSA-93qj-4wg6-29x9","UBUNTU-CVE-2026-119568","openSUSE-SU-2026:12522-1"],"status":"published","title":"vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking","description":"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.","severity":{"version":"4.0","score":9.1,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00404,"percentile":0.35178,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-940"],"published":"2026-10-30T11:31:14Z","modified":"2026-11-11T17:23:10Z","affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.0.5-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-13","3.0.3-13.1","3.0.5-0.1","3.0.5-0.2","3.0.5-0.3","3.0.5-0.4","3.0.5-0.5","3.0.5-0.6","3.0.5-0.7","3.0.5-1"]},{"source":"osv","ecosystem":"Debian:13","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0.2","3.0.5-0.3","3.0.5-0.4","3.0.5-0.5","3.0.5-0.6","3.0.5-0.7","3.0.5-1"]},{"source":"osv","ecosystem":"Debian:14","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0.2","3.0.5-0.3","3.0.5-0.4","3.0.5-0.5","3.0.5-0.6","3.0.5-0.7","3.0.5-1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.2-1ubuntu2","3.0.2-1ubuntu2.14.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.2-20ubuntu1","3.0.3-1ubuntu1","3.0.3-2ubuntu1","3.0.3-3ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-9","3.0.3-9build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"vsftpd","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"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-13build1","3.0.3-13build2","3.0.5-0ubuntu1","3.0.5-0ubuntu1.1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0ubuntu1","3.0.5-0ubuntu2","3.0.5-0ubuntu3","3.0.5-0ubuntu3.1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0.4","3.0.5-0.7","3.0.5-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.5-0.3","3.0.5-0.4"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"vsftpd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.5-21.1"}]}],"bundled":2}],"products":[{"vendor":"vsftpd","product":"vsftpd"}],"references":[{"url":"https://abraxaslabs.tech/research/vsftpd-ssl-data-any-ticket","tags":["third-party-advisory","report"]},{"url":"https://security.appspot.com/vsftpd.html","tags":["product","report"]},{"url":"https://www.vulncheck.com/advisories/vsftpd-through-3.0.5-require-ssl-reuse-bypass-via-ftps-data-channel-hijacking","tags":["third-party-advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119568","tags":["web"]},{"url":"https://github.com/advisories/GHSA-93qj-4wg6-29x9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-119568","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-119568","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-119568","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-119567","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-119568","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-119568","title":"vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking","description":"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.","status":"published","published":"2026-10-30T11:31:14.408Z","modified":"2026-10-30T15:54:01.56Z","cvss":[{"version":"4.0","score":9.1,"vector":"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","level":"critical","assessor":"cna"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-940"],"updated_at":"2026-11-02T14:20:10.143031Z"}],"euvd":[{"id":"EUVD-2026-113833","description":"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.","status":"published","published":"2026-10-30T11:31:14Z","modified":"2026-10-30T15:54:01Z","cvss":[{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"updated_at":"2026-11-02T16:59:05.913237Z"}],"ghsa":[{"id":"GHSA-93qj-4wg6-29x9","title":"vsftpd through 3.0.5 contains an authentication bypass vulnerability in ssl_data_accept() that...","description":"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.","status":"published","published":"2026-10-30T12:31:22Z","modified":"2026-10-30T12:31:32Z","cvss":[{"version":"4.0","score":9.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-940"],"updated_at":"2026-11-02T15:14:42.307242Z"}],"nvd":[{"id":"CVE-2026-119568","description":"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.","status":"published","published":"2026-10-30T12:16:44.58Z","modified":"2026-10-30T19:21:43.293Z","cvss":[{"version":"4.0","score":9.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-940"],"updated_at":"2026-11-02T14:13:04.940026Z"}],"osv":[{"id":"DEBIAN-CVE-2026-119568","description":"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.","status":"published","published":"2026-10-30T12:16:44.58Z","modified":"2026-11-02T00:00:06.533862781Z","cvss":[{"version":"4.0","score":9.1,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"updated_at":"2026-11-02T15:45:51.374409Z"},{"id":"UBUNTU-CVE-2026-119568","description":"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.","status":"published","published":"2026-10-30T12:16:00Z","modified":"2026-11-05T04:42:52Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"},{"version":"4.0","score":9.1,"vector":"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","level":"critical"}],"updated_at":"2026-11-05T13:33:25.727744Z"},{"id":"AZL-111799","title":"CVE-2026-119568 affecting package vsftpd 3.0.5-1","description":"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.","status":"published","published":"2026-10-30T12:16:44Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:18.705965Z"},{"id":"openSUSE-SU-2026:12522-1","title":"vsftpd-3.0.5-21.1 on GA media","description":"These are all security issues fixed in the vsftpd-3.0.5-21.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-10T00:00:00Z","modified":"2026-11-11T17:23:10.727078741Z","updated_at":"2026-11-11T17:47:15.466074Z"}]}}