CVE-2026-91857: Cross-Site Request Forgery (CSRF)

Affected versions of MISP expose several state-changing controller actions without restricting them to POST. The affected actions are: - EventReportsController::purgeUnusedPictures - NoticelistsController::enableNoticelist - ServersController::removeOrphanedCorrelations -...

CVE-2026-56423: Missing Authorization

MISP Core contained broken access-control checks in the bulk deletion flows for Event Reports and Sharing Groups. The affected deleteSelection handlers authorized deletion using broad role-level permissions instead of validating authorization for each selected object. For Event Reports,...