CVE-2026-119568

HIGH 7.4

vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-940
Vendor	vsftpd
Product	vsftpd
Published	Oct 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

vsftpd / vsftpd

0 ≤ 3.0.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

abraxaslabs.tech: https://abraxaslabs.tech/research/vsftpd-ssl-data-any-ticket security.appspot.com: https://security.appspot.com/vsftpd.html vulncheck.com: https://www.vulncheck.com/advisories/vsftpd-through-3.0.5-require-ssl-reuse-bypass-via-ftps-data-channel-hijacking

Credits

Abraxas Labs