Security Notice 2026-05

SimpleHelp 5.5 and 6.0 Security Fix

This page provides SimpleHelp releases that address a security vulnerability in v5.5.x and the prerelease of 6.0. Action is required to ensure your server is secure.
SimpleHelp servers running versions 5.5.15 and earlier releases may be subject to a vulnerability which can be exploited in specific conditions depending on the server's settings and network context: Not all servers can be exploited. If you have already taken all the recommended measures in our security guide, practical malicious exploitation is much more difficult but please update to a secure release as soon as possible.

Full details of this vulnerability, including impact and characteristics of compromise will be published shortly in our disclosure document. Our current focus is on reaching customers and encouraging them to update.

This page contains two downloads:

  1. SimpleHelp 5.5.16 - for users on v5.5.x.
  2. SimpleHelp 6.0 RC2 - for users on v6.0.

Please download and install the appropriate update to ensure continued security.

SimpleSetup

If you use SimpleSetup to update, please select Update, Custom and enter the following update URL:

https://simple-help.com/releases/5.5.16_202605

For v5.5.x users: Download SimpleHelp 5.5.16

Before Downloading...

Please acknowledge and accept the following before downloading SimpleHelp.

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Linux icon

Linux

Ubuntu, Debian, Fedora, RHEL, etc.

Database icon

Other Platforms

Supply your own runtime.

For v6.0 users: Download SimpleHelp 6.0

Before Downloading...

Please acknowledge and accept the following before downloading SimpleHelp.

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Linux icon

Linux

Ubuntu, Debian, Fedora, RHEL, etc.

Database icon

Other Platforms

Supply your own runtime.

SimpleHelp 5.5.16 SHA256 Hashes
SimpleHelp-install-64.exe
b0e129ce1e05b19c8c5ce2331ca1c7f91b79bb78806a2d5af80a6d506ea39192
SimpleHelp-linux-amd64.tar.gz
9360af980277e1ef4330eb1ed08d981c9dfdcc4e25d87ed0552a47f5ebd5161a
SimpleHelp-linux-arm64.tar.gz
9163bbbba4b8a124794469cfd2bb7a1d0cc4aeb9ee5a43df8eaeebb034c04e34
SimpleHelp 6.0 SHA256 Hashes
SimpleHelp-install-64.exe
722b6947a737e7dda4b780ff4c4e1935bb4bd4ce3ae6a56e04c9915e57ec20be
SimpleHelp-linux-amd64.tar.gz
dfdca47207a63d0926e0162d37aa10f9fa7cb8efb0228f025bcb9f9c146efb53
SimpleHelp-linux-arm64.tar.gz
82ae9c339584a727e5ff1ca11f2e180acf6352ff992de6310fdf30415c01ada3