All investigations or proceedings conducted by the State Bar concerning the moral character of an applicant shall be confidential and shall not be disclosed pursuant to any state law, including, but not limited to, the California Public Records Act (Chapter 3.5 (commencing with Section 6250) of Division 7 of Title 1 of the Government Code) unless the applicant, in writing, waives the confidentiality. However, the records of the proceeding may be subject to lawfully issued subpoenas.
Source:
Section 6060.2, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC§ionNum=6060.2..