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...

EUVD-2026-36577

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...