CVE-2026-49486
Any deployment using `FTPSHook` or `FTPSFileTransmitOperator` to move files over FTPS exposed file contents and credentials-in-transit to a network attacker able to observe the data connection.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The Apache Airflow FTP provider's `FTPSHook.get_conn()` created an `ftplib.FTP_TLS` connection but never called `prot_p()`, 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 file contents and credentials-in-transit to a network attacker able to observe the data connection. Upgrade apache-airflow-providers-ftp to `3.15.1` or later, which issues `PROT P` to encrypt the data channel.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-319
- Affected
- apache/apache-airflow-providers-ftp
- Source
- security@apache.org
References
- https://github.com/apache/airflow/pull/67946Issue Tracking, Patch
- https://lists.apache.org/thread/gwnsxlt9hfj5pc543wxtogbnjdn04xj1Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/06/26/1
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.