CVE-2026-95671

CVE-2026-95671 affects MISP (Malware Information Sharing Platform). The CollectionsController add() method only enforced the sharing-group authorization check for POST requests, while the underlying CRUDComponent::add() persists data on both POST and PUT requests. An authenticated user could ther...

CVE-2026-61474

An improper authorization check in MISP’s attribute creation endpoint allowed an authenticated user with permission to add attributes to submit a sharinggroupid without triggering the corresponding sharing group authorization check, as long as the attribute distribution value was not explicitly s...

CVE-2026-54397 MISP event editing allows unauthorized assignment to undisclosed sharing groups

A vulnerability in MISP’s non-REST event editing path allowed an authenticated user with event edit permissions to manipulate the submitted form data and set an event’s sharinggroupid to a sharing group they were not authorized to use. When distribution was set to sharing group distribution, the...