Version v9.3.3

With KeePass Client v9.2.0

Release Date

July 14, 2026

These Release Notes detail the differences between this release and the previous release.

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Upgrade Instructions

Security

• A few security patches have been applied to address important security items affecting clients in various contexts. Immediate updates are strongly recommended.
  
  
• The scope of patches covers fixes of authorization controls, forged requests, and a social engineering vulnerability.
  
  
• Acknowledgements: Pleasant Solutions would like to thank a contributing security team (NCIA, NATO Communications and Information Agency) for their participation and cooperation with us, in protecting our customers.

• Items:
  

  • 1 - Item Summary

  • A security patch has been applied to protect controls, preventing the opportunity of potential exploits or vulnerabilities with authenticated users.

  • Prerequisites:

    • Attacker must be a currently authorized user with an active authenticated session.

  • Scope of Impact:

    • Potential unauthorized access to information

  • 2 - Item Summary

  • A security patch has been applied to ensure proper validation of user-initiated requests within specific application workflows.

  • Prerequisites:

    • Authenticated user with an active session

    • User interaction with an attacker-crafted resource

  • Scope of Impact:

    • Potential to perform unintended actions on behalf of the authenticated user, constrained to that user's permission level

  • 3 - Item Summary

  • A security patch has been applied to address a data processing concern accessible to authenticated users under specific conditions.

  • Prerequisites:

    • User interaction with an attacker modified object

  • Scope of Impact:

    • Potential redirection of the user to an untrusted destination

  • 4 - Item Summary

  • A security patch has been applied to improve request handling and validation within specific application workflows.

  • Prerequisites:

    • Authenticated user with an active session

  • Scope of Impact:

    • Potential for extremely limited information disclosure from the server environment

Compatibility Notes

• KeePass:

  • KeePass for Pleasant users should upgrade to 9.2.0 or higher

• Server Prerequisite: Server Install file includes the required .NET 4.8 files for a one-time installation

  • Microsoft .NET Framework 4.8 Setup