Copssh Server 7 changelog

Latest release summary

Field	Value
Software	Copssh Server 7
Latest release	Copssh Server 7.27.0
Release date	2026-10-07

Latest release components

component name	component version	component license
OpenSSH	10.6p1	OpenSSH license
OpenSSL	3.5.9	OpenSSL license
Cygwin	3.6.11	Cygwin license (GPL/LGPL)
Copssh Server Admin GUI	1.0.2	Itefix EULA
Copssh Server	7.27.0	Itefix EULA

Changelog history

2026-10-07 Copssh Server 7.27.0 (security)

• OpenSSH 10.6p (security)
• openssl 3.5.9
• cygwin 3.6.11

2026-09-18 Copssh Server 7.26.1

• Windows server 2025 support (basic)

2026-08-11 Copssh Server 7.26.0 (security)

• OpenSSH 10.5p (security)

2026-07-27 Copssh Server 7.25.1

• OpenSSL 3.5.7
• Cygwin 3.6.10

2026-07-07 Copssh Server 7.25.0 (security)

• OpenSSH 10.4p (security)

2026-04-27 Copssh Server 7.24.0 (security)

• OpenSSH 10.3p (security)
• openssl 3.5.6
• cygwin 3.6.9

2026-02-04 Copssh Server 7.23.1 (security)

• openssl 3.0.19 (security)
• cygwin 3.6.6

2025-10-11 Copssh Server 7.23.0

• OpenSSH 10.2p1
• OpenSSL 3.0.18
• Cygwin 3.6.5

2025-10-08 Copssh Server 7.22.0

• OpenSSH 10.1p1

2025-09-08 Copssh Server 7.21.2

• All binaries are digitally signed with our Windows code signing certificate.

2025-07-23 Copssh Server 7.21.1

• OpenSSH 10.0p2
• OpenSSL 3.0.17
• Cygwin 3.6.4

2025-04-14 Copssh Server 7.21.0

• OpenSSH 10.0p1
• OpenSSL 3.0.16
• Cygwin 3.6.1
• Updated GNU tools

2025-02-19 Copssh Server 7.20.0 (security)

• OpenSSH 9.9p2 with security patches

2025-02-02 Copssh Server 7.19.3

• Cygwin 3.5.7
• Updated GNU tools

2025-01-16 Copssh Server 7.19.2

• Fixed - 7.19.1 has had version 9.8 of OpenSSH binaries, not 9.9 as announced.

2025-01-12 Copssh Server 7.19.1

• Remove tcpip service dependency for IPv6 only installations
• Cygwin 3.5.5

2024-09-23 Copssh Server 7.19.0

• OpenSSH 9.9p1

2024-09-21 Copssh Server 7.18.1

• Cygwin 3.5.4
• OpenSSL 3.0.15

2024-07-02 Copssh Server 7.18.0 (security)

• OpenSSH 9.8p1
• Use OpenSSL instead of LibreSSL library

2024-06-07 Copssh Server 7.17.2

• LibreSSL 3.9.2
• Cygwin 3.5.3

2024-04-09 Copssh Server 7.17.1

• LibreSSL 3.9.1

2024-03-11 Copssh Server 7.17.0

• OpenSSH 9.6p1
• Cygwin 3.4.10

2023-12-19 Copssh Server 7.16.0 (security)

• OpenSSH 9.6p1

2023-12-04 Copssh Server 7.15.1

• LibreSSL 3.8.2

2023-10-09 Copssh Server 7.15.0

• OpenSSH 9.5

2023-09-25 Copssh Server 7.14.2

• Cygwin 3.4.9

2023-08-26 Copssh Server 7.14.1

• Cygwin 3.4.8 (fixes ‘Bad address’ issue when running DOS programs as non-privileged users)

2023-08-11 Copssh Server 7.14.0

• OpenSSH 9.4p1

2023-07-26 Copssh Server 7.13.4 (security)

• OpenSSH 9.3p2

2023-06-19 Copssh Server 7.13.3

• LibreSSL 3.7.3
• Cygwin 3.4.7

2023-05-23 Copssh Server 7.13.2

• LibreSSL 3.7.2
• Cygwin 3.4.6

2023-03-29 Copssh Server 7.13.1

• Fix - Installer finish page - Auto run doesn’t work
• New - Installer finish page - Option to create shortcut at desktop

2023-03-20 Copssh Server 7.13.0

• OpenSSH 9.3p
• LibreSSL 3.6.2

2023-03-04 Copssh Server 7.12.1

• Cygwin 3.4.5

2023-02-03 Copssh Server 7.12.0 (security)

• OpenSSH 9.2

2022-11-07 Copssh Server 7.11.1

• LibreSSL 3.6.1
• Cygwin 3.3.6

2022-10-08 Copssh Server 7.11.0

• OpenSSH 9.1p

2022-06-21 Copssh Server 7.10.1

• LibreSSL 3.5.3
• Cygwin 3.3.5
• Major tool update

2022-04-13 Copssh Server 7.10.0

• OpenSSH 9.0p
• LibreSSL 3.5.1
• Cygwin 3.3.4

2022-03-02 Copssh Server 7.9.0

• OpenSSH 8.9p

2022-01-04 Copssh Server 7.8.3

• LibreSSL 3.4.2
• Cygwin 3.3.3

2021-11-17 Copssh Server 7.8.2

• Cygwin 3.3.x ( 3.3.0 , 3.3.1 , 3.3.2 )

2021-10-26 Copssh Server 7.8.1

• LibreSSL 3.4.1

2021-09-27 Copssh Server 7.8.0

• OpenSSH 8.8p (Security)

2021-08-24 Copssh Server 7.7.0

• OpenSSH 8.7p

2021-05-04 Copssh Server 7.6.0

• OpenSSH 8.6p
• LibreSSL 3.3.3
• Cygwin 3.2.0

2021-03-07 Copssh Server 7.5.0

• OpenSSH 8.5p
• LibreSSL 3.2.4

2021-02-03 Copssh Server 7.4.2

• Use a built-in password generator instead of an external tool

2020-12-29 Copssh Server 7.4.1

• LibreSSL 3.2.3

2020-10-01 Copssh Server 7.4.0

• OpenSSH 8.4p
• LibreSSL 3.1.4
• Cygwin and GNU tools

2020-06-08 Copssh Server 7.3.0 (security)

• OpenSSH 8.3p
• LibreSSL 3.1.2

2020-02-20 Copssh Server 7.2.0

• OpenSSH 8.2p
• LibreSSL 3.0.2
• Cygwin and GNU tools

2019-10-12 Copssh Server 7.1.0

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2019-08-27 Copssh Server 7.0.0

• Copssh version 7.0.0 installers come with the latest Cygwin 3.x libraries, introducing major and backwards-incompatible changes, requiring a reinstallation.

2019-04-30 Copssh Server 6.5.0 (security)

• OpenSSH 8.0p1

2018-10-20 Copssh Server 6.4.0

• OpenSSH 7.9p1

2018-08-25 Copssh Server 6.3.0 (security)

• OpenSSH 7.8p1 including a patch addressing CVE-2018-15473

2018-08-18 Copssh Server 6.2.2 (security)

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2018-06-01 Copssh Server 6.2.1

• LibreSSL 2.7.3
• cygwin1.dll (2.10.1 - 20180214), which fixes a newly introduced bug causing files with temporary flag on being not visible for operations.

2018-04-09 Copssh Server 6.2.0

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2018-04-05 Copssh Server 6.1.3

• LibreSSL 2.7.2
• Cygwin and other GNU tools

2018-02-19 Copssh Server 6.1.2

• LibreSSL 2.6.4

2017-11-11 Copssh Server 6.1.1

• LibreSSL 2.6.3
• Upgrade logic in our installers are also improved.

2017-10-04 Copssh Server 6.1.0 (security)

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2017-05-20 Copssh Server 6.0.0

• Copssh version 6.0.0 is a major update and uses now LibreSSL instead of OpenSSL as the cryptographic library provider.

2017-03-22 Copssh Server 5.9.0 (security)

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2017-02-08 Copssh Server 5.8.1

• Copssh version 5.8.1 bundle contains server installers with improved support for domain based service accounts.

2016-12-21 Copssh Server 5.8.0 (security)

• OpenSSH 7.4p1

2016-09-27 Copssh Server 5.7.0 (security)

• OpenSSL 1.0.2j with security fixes
• Cygwin and GNU Tools

2016-08-01 Copssh Server 5.6.0 (security)

• OpenSSH 7.3p1

2016-05-22 Copssh Server 5.5.3 (security)

• OpenSSL 1.0.2h
• Cygwin and related GNU tools

2016-03-13 Copssh Server 5.5.2 (security)

• OpenSSH 7.2p2, fixing security vulnerability related to x11 forwarding

2016-03-02 Copssh Server 5.5.1 (security)

• OpenSSL 1.0.2g

2016-03-01 Copssh Server 5.5.0

• OpenSSH 7.2p1

2016-01-31 Copssh Server 5.4.3

• OpenSSL 1.0.2f

2016-01-14 Copssh Server 5.4.2

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2015-12-18 Copssh Server 5.4.1 (security)

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2015-08-22 Copssh Server 5.4.0 (security)

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2015-08-11 Copssh Server 5.3.0 (security)

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2015-07-22 Copssh Server 5.2.0 (security)

• OpenSSH 6.9
• OpenSSL 1.0.2d

2015-05-21 Copssh Server 5.1.1

• Cygwin 2.0.2
• GNU tools

2015-03-23 Copssh Server 5.1.0

• OpenSSH 6.8
• OpenSSL 1.0.2a

2015-03-06 Copssh Server 5.0.4

• a custom patch addressing session hang problems during logout for domain users

2015-01-19 Copssh Server 5.0.3

• OpenSSL version 1.0.1k

2014-12-03 Copssh Server 5.0.2

• OpenSSL version 1.0.1j

2014-10-30 Copssh Server 5.0.1

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2014-10-09 Copssh Server 5.0.0

• OpenSSH version 6.7
• many features and bug fixes

2014-08-07 Copssh Server 4.9.4 (security)

• OpenSSL 1.0.1i fixing nine security vulnerabilities
• Cygwin and many GNU tools

2014-07-04 Copssh Server 4.9.3

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2014-06-08 Copssh Server 4.9.2

• OpenSSL 1.0.1h

2014-06-06 Copssh Server 4.9.1 patch 1001

• OpenSSL 1.0.1h

2014-04-08 Copssh Server 4.9.1

• OpenSSL 1.0.1g fixing Heartbleed security vulnerability

2014-03-16 Copssh Server 4.9.0 (security)

• OpenSSH 6.6p

2014-01-30 Copssh Server 4.8.0

• Both Copssh installer and Control Panel are updated to handle Ed25519 based keys.

2014-01-28 Copssh Server 4.7.2

• Copssh 4.7.2 features a new Control Panel with the capability of configuring isolated SFTP home directories.

2014-01-09 Copssh Server 4.7.1 (security)

• OpenSSL 1.0.1f containing security fixes against vulnerabilities CVE-2013-4353, CVE-2013-6450 and CVE-2013-6449.

2013-11-08 Copssh Server 4.7.0 (security)

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2013-09-17 Copssh Server 4.6.0

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2013-08-13 Copssh Server 4.5.1

• Copssh is now delivered as a bundle containing installers for 32-bit (x86) and 64-bit (x64) architectures.

2013-04-06 Copssh Server 4.5.0

• OpenSSH 6.2

2013-02-19 Copssh Server 4.4.3

• Upstream OpenSSH/OpenSSL changes. See their release notes for details.

2012-10-21 Copssh Server 4.4.1

• Version 4.4.1 has an user activation wizard allowing users to specify home directories of their choice.

2012-09-04 Copssh Server 4.4.0

• OpenSSH 6.1

2012-06-17 Copssh Server 4.3.1

• UAC friendly, OpenSSL security fix, improved Control Panel and more.
• Copssh is now UAC (User Account Control) aware, and does not require to disable it any longer.

2012-04-22 Copssh Server 4.3.0

• OpenSSH 6.0p
• OpenSSL 1.0.1a
• Cygwin 1.7.13

2012-02-10 Copssh Server 4.2.3

• OpenSSL security patches 0.9.8s and 0.9.8t.

2011-12-13 Copssh Server 4.2.2

• Includes better handling of Vista and Windows 7.
• Copssh version 4.2.2 is a minor update and contains updated versions of bash and readline7.dll, fixing broken backspace in bash shell and a non-working nano editor.

2011-10-18 Copssh Server 4.2.1

• A bug fix release.

2011-10-10 Copssh Server 4.2.0

• OpenSSH 5.9

2011-02-26 Copssh Server 4.1.0

• Control Panel with framework for PKA administration and OpenSSL 0.9.8r security update.

2011-02-09 Copssh Server

• OpenSSL 0.9.8r security patch

2011-02-04 Copssh Server 4.0.4

• OpenSSH 5.8 security update

2011-02-03 Copssh Server 4.0.3

• OpenSSH 5.7

2010-12-05 Copssh Server 4.0.2

• OpenSSL Security update 0.9.8q.

2010-11-24 Copssh Server 4.0.1

• A bug fix release

2010-09-10 Copssh Server 3.1.4

• Update notification

2010-08-26 Copssh Server 3.1.3

• OpenSSH 5.6

2010-08-18 Copssh Server 3.1.2

• OpenSSH 5.5
• Cygwin 1.7.6

2010-03-25 Copssh Server 3.1.1 (security)

• Cygwin 1.7.2-2
• OpenSSL 0.9.8n

2010-03-10 Copssh Server 3.1.0

• OpenSSH 5.4
• OpenSSL 0.9.8m

2010-01-04 Copssh Server 3.0.3

• Cygwin 1.7.1

2009-11-24 Copssh Server 3.0.2

• Updated versions of Cygwin and OpenSSL.

2009-10-12 Copssh Server 3.0.1

• A bugfix release.

2009-10-06 Copssh Server 3.0.0

• OpenSSH 5.3
• Cygwin 1.7

2009-05-14 Copssh Server 2.1.1

• OpenSSL 0.9.8k security update

2009-02-25 Copssh Server 2.1.0

• OpenSSH 5.2.

2009-02-25 Copssh Server with OpenSSH 5.2

2009-01-16 Copssh Server 2.0.1

• More mature, secure and silent.

2008-12-20 Copssh Server 2.0

• Includes ICW technology.

2008-07-23 Copssh Server 1.4.6

• OpenSSH 5.1
• OpenSSL 0.9.8h
• Cygwin 1.5.25-15