CVE-2026-116844

The fclairamb ftpserverlib (versions through 0.32.4 ) is vulnerable to a cleartext transmission flaw. The root cause lies in the TransferOpen function, which verifies only the transferTLS flag set by the PROT command but fails to confirm if the actual data connection utilizes TLS. Consequently, w...

CVE-2026-116844 Fclairamb ftpserverlib through 0.32.4 Cleartext FTPES Data Transfer via PROT P

Fclairamb ftpserverlib through 0.32.4 contains a cleartext transmission vulnerability because TransferOpen checks only the transferTLS flag set by PROT, not whether the prepared data connection uses TLS. When a client sends PROT P after PASV or PORT, file contents and directory listings cross the...

EUVD-2026-110575

Fclairamb ftpserverlib through 0.32.4 contains a cleartext transmission vulnerability because TransferOpen checks only the transferTLS flag set by PROT, not whether the prepared data connection uses TLS. When a client sends PROT P after PASV or PORT, file contents and directory listings cross the...

GHSA-FGCH-86X8-FV43 Apache Airflow FTP provider: FTP Provider does not protect FTPS data channel (missing PROT_P)

The Apache Airflow FTP provider's FTPSHook.getconn created an ftplib.FTPTLS connection but never called protp, so although the control channel was TLS-protected the data channel was transmitted in cleartext. Any deployment using FTPSHook or FTPSFileTransmitOperator to move files over FTPS exposed...