CVE-2026-119568

vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking

9.1 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.40%Unchanged since Oct 31, 2026

What each source reports

CVE List Score used 9.1

vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking

Record: CVE-2026-119568
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-940
Updated: 2026-11-02

EUVDEUVD-2026-113833 9.1

Record: EUVD-2026-113833
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-93qj-4wg6-29x9 9.1

vsftpd through 3.0.5 contains an authentication bypass vulnerability in ssl_data_accept() that...

Record: GHSA-93qj-4wg6-29x9
CVSS 4.0: 9.1 CriticalCVSS: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
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-940
Updated: 2026-11-02

NVD 9.1

Record: CVE-2026-119568
CVSS 4.0: 9.1 CriticalCVSS: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
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-940
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-119568 9.1

Record: DEBIAN-CVE-2026-119568
CVSS 4.0: 9.1 CriticalCVSS: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
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-119568 9.1

Record: UBUNTU-CVE-2026-119568
CVSS 4.0: 9.1 CriticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 7.4 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-05

OSVAZL-111799 No score

CVE-2026-119568 affecting package vsftpd 3.0.5-1

Record: AZL-111799
Updated: 2026-11-05

Affected products

vsftpd

Affected packages

Affected packages
Package	Affected	Fixed
`vsftpd` Azure Linux:3	through 3.0.5-1	None known
`vsftpd` Debian:12	All versions, plus listed versions 3.0.3-133.0.3-13.13.0.5-0.13.0.5-0.23.0.5-0.3 Show 5 moreShow less 3.0.5-0.43.0.5-0.53.0.5-0.63.0.5-0.73.0.5-1	None known
`vsftpd` Debian:13	All versions, plus listed versions 3.0.5-0.23.0.5-0.33.0.5-0.43.0.5-0.53.0.5-0.63.0.5-0.73.0.5-1	None known
`vsftpd` Debian:14	All versions, plus listed versions 3.0.5-0.23.0.5-0.33.0.5-0.43.0.5-0.53.0.5-0.63.0.5-0.73.0.5-1	None known
`vsftpd` Ubuntu:14.04:LTS	All versions, plus listed versions 3.0.2-1ubuntu23.0.2-1ubuntu2.14.04.1	None known
`vsftpd` Ubuntu:16.04:LTS	All versions, plus listed versions 3.0.2-20ubuntu13.0.3-1ubuntu13.0.3-2ubuntu13.0.3-3ubuntu2	None known
`vsftpd` Ubuntu:18.04:LTS	All versions, plus listed versions 3.0.3-93.0.3-9build1	None known
`vsftpd` Ubuntu:20.04:LTS	All versions, plus listed versions 3.0.3-123.0.5-0ubuntu0.20.04.13.0.5-0ubuntu0.20.04.2	None known
`vsftpd` Ubuntu:22.04:LTS	All versions, plus listed versions 3.0.3-13build13.0.3-13build23.0.5-0ubuntu13.0.5-0ubuntu1.1	None known
`vsftpd` Ubuntu:24.04:LTS	All versions, plus listed versions 3.0.5-0ubuntu13.0.5-0ubuntu23.0.5-0ubuntu33.0.5-0ubuntu3.1	None known
`vsftpd` Ubuntu:26.10	All versions, plus listed versions 3.0.5-0.43.0.5-0.73.0.5-1build1	None known
`vsftpd` Ubuntu:26.04:LTS	All versions, plus listed versions 3.0.5-0.33.0.5-0.4	None known

History

History
Recorded	Changed	Sources
Nov 4, 2026	affected, aliases, facts, references	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-119568 is a critical vulnerability (CVSS 9.1) in Vsftpd, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.