The MISP project has released two new stable versions—MISP 2.5.15 and MISP 2.4.213—on June 24, 2025, bringing extensive under-the-hood enhancements, performance optimizations, new features, and numerous bug fixes to strengthen threat intelligence sharing and platform reliability. These updates include revamped security mechanisms, improved search functionality, stability enhancements across both branches, refined core components, and enriched modules such as an upgraded Cuckoo integration and updated galaxy and object templates for better threat classification.
In short, these twin releases deliver a substantial “double dose” of improvements that bolster platform robustness, speed, and user experience—making it a recommended upgrade for all MISP users seeking enhanced security, threat handling, and operational efficiency.

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Source: https://www.misp-project.org/2025/06/24/misp.2.5.15.and.2.4.113.html/