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The commit explicitly states that any object reference could be returned by UUID without authorizing its parent object.\n\n\nThe fix retrieves the referenced object's object_id and calls fetchObjectSimple() with the current user. 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Because no parent-object ACL was applied, a user who knew or obtained a reference UUID could retrieve information associated with an object outside their normal access scope. The commit explicitly states that any object reference could be returned by UUID without authorizing its parent object.\n\n\nThe fix retrieves the referenced object's object_id and calls fetchObjectSimple() with the current user. If the user cannot access that parent object, MISP now returns NotFoundException instead of exposing the reference.\n\nVersion affected: ≤2.5.45","Type":"Description","Title":"MISP Event Graph Object Reference Lookup Exposes References from"}]}}}