What is CVE-2026-119568?

CVE-2026-119568 is a high-severity vulnerability in Vsftpd, classified under Improper Verification of Source of a Communication Channel. CVSS score: 7.4/10. Published 2026-10-30.

How severe is CVE-2026-119568?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Vsftpd

CVE-2026-119568

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.

Published 2026-10-30 · last modified 2026-10-30.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Vsftpd

Weakness classification (CWE)

CWE-940 — Improper Verification of Source of a Communication Channel

References

abraxaslabs.tech/research/vsftpd-ssl-data-any-ticket (third-party-advisory)
security.appspot.com/vsftpd.html (product)
www.vulncheck.com/advisories/vsftpd-through-3.0.5-require-ssl-reuse-bypass-via-… (third-party-advisory)

Frequently asked questions

What is CVE-2026-119568?: CVE-2026-119568 is a high-severity vulnerability in Vsftpd, classified under Improper Verification of Source of a Communication Channel. CVSS score: 7.4/10. Published 2026-10-30.
How severe is CVE-2026-119568?: High severity. CVSS v3 base score is 7.4 out of 10.