WinSCP News

This version fixes a critical vulnerability CVE-2024-31497 in the use of 521-bit ECDSA keys (ecdsa-sha2-nistp521). If you use 521-bit ECDSA keys to connect to SFTP servers, you should revoke them and generate a new key pair.

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This version fixes several bugs and adds some small improvements.

This version fixes several regression bugs.

WinSCP 6.3 is a major application update. New features and enhancements include:

• Single large file can be downloaded using multiple SFTP connections.
• Support for OpenSSH certificates for host verification.
• File hash can be used as criterion for synchronization.
• Improved behavior when duplicating and moving remote files.
• Support for HMAC-SHA-512.
• TLS/SSL core upgraded to OpenSSL 3.

This version includes five additional complete translations and several fixes.

This version includes 16 complete translations and several fixes.

This release upgrades WinSCP to PuTTY 0.80, mainly to mitigate “Terrapin” vulnerability.

The most important changes/additions are:

• File hash can be used as criterion for synchronization.
• Improved behavior when duplicating remote files.
• TLS/SSL core upgraded to OpenSSL 3.2.0.