You can use the pgAudit extension to prevent string literals that might indicate sensitive information, such as...

You can use the pgAudit extension to prevent string literals that might indicate sensitive information, such as passwords and secrets, from appearing in your log query results.

This pgAudit extension capability is supported on [PostgreSQL version].R20260712.01_06 or later.

For more information, see Audit for PostgreSQL using pgAudit.