CVE-2026-119568: vsftpd (Critical, CVSS 9.1)
- CVSS
- 9.1 Critical (v4.0)
- Exploited in the wild
- Not on CISA’s KEV list
- Public exploit
- None reported in public exploit databases
- Weakness
- CWE-940
- 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- Published
- Oct 30, 2026
What it is
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.
Description from the National Vulnerability Database.
What to do
Check whether you run vsftpd, then apply the vendor’s fix or mitigation from the advisories below.
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.