| August 29, 2025

MISP 2.5.19 Release Notes

Release date: 2025-08-20

MISP 2.5.19 brings important fixes, improvements to the on-demand correlation engine, refinements in the task scheduler, and better error handling.

This release includes many community contributions — thank you for your continued support and improvements!

✨ New Features

On-demand correlation:
Added support for top correlations in the on-demand correlation engine.

Bumped version number.
Improved exception handling — errors now point users to the error log.
Scheduled tasks:
- Restricted to own organisation users.
- Default user selection now pre-fills with the current user.
Worker configuration files can differ across environments.
More descriptive warning messages for the new task scheduler.

Sync / Events:
Correctly pass fingerprint to _add if it exists to avoid issues.
On-demand correlation:
Fixed multiple issues with value2-value2 matching and upgraded the correlation script.
Shadow attributes:
Support for accept/discard operations by UUID.
Removed obsolete periodic_summary from server options.
Stack traces:
Now show the actual origin of errors.
Attribute search rework:
- Downloaded results now match UI results.
- Added additional fields for CSV export.
Attribute / Add:
Correctly adhere to provided tag locality in /attributes/add.
Workflow editor:
Running a workflow in debug mode now shows the expected response.
Logs controller:
Fixed broken named params search (#10424).
Tag index improvements:
- Removed edit/distribution graph icons from the tag name field.
- Fixed notice error for regular users (maymodify always set to false).
JSON parsing fixes for authentication key IP lists.

It is recommended to upgrade to this version to benefit from correlation engine improvements, more robust task scheduling, and bug fixes.
After upgrade, ensure worker configurations are checked if running across different environments.

Thanks to all contributors for their work on this release.