CVE-2026-119568

vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking

Published Oct 30, 2026 CVSS 4.0 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking
First Time appeared Vsftpd Project
Vsftpd Project vsftpd
Weaknesses CWE-940
CPEs cpe:2.3:a:vsftpd_project:vsftpd:*:*:*:*:*:*:*:*
Vendors & Products Vsftpd Project
Vsftpd Project vsftpd
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 30, 2026, 3:54 PM
Reserved
Oct 30, 2026, 10:53 AM
Status
Awaiting Analysis
Published
Oct 30, 2026, 12:16 PM
Modified
Oct 30, 2026, 7:21 PM