CVE-2026-109681
MEDIUM
CVSS 4.7
Published: 2026-10-21
Modified: 2026-10-22
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Threat Intelligence Pending
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Description
The FTP client trusts the server's PASV response IP:port without validation against the control connection target. A rogue FTP server can specify any IP:port in the 227 Passive Mode response, causing the operator's machine to open a TCP connection to an arbitrary host.
Quick Facts
| CVE ID | CVE-2026-109681 |
| CVSS Score | 4.7 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N |
| Published | 2026-10-21 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |