CVE-2026-119568 PUBLISHED

vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking

Assigner: VulnCheck
Reserved: 30.10.2026 Published: 30.10.2026 Updated: 30.10.2026

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.

CVSS 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
CVSS Score: 9.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 7.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	vsftpd
Product	vsftpd
Versions	Default: unaffected affected from 0 to 3.0.5 (incl.)

CVE-2026-119568 PUBLISHED

vsftpd through 3.0.5 require_ssl_reuse Bypass via FTPS Data Channel Hijacking

Metrics

Product Status

Credits

References

Problem Types