UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, DC 20549
                             --------------------

                                   FORM 10-K

                                 ANNUAL REPORT
                       PURSUANT TO SECTIONS 13 OR 15(d)
                    OF THE SECURITIES EXCHANGE ACT OF 1934

(Mark One)

|X|   ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
ACT OF 1934

      For the fiscal year ended:   December 31, 2006
                                   -----------------

                                      or

|_|   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
EXCHANGE ACT OF 1934

      For the transition period from               to
                                     -------------    -------------

            Commission file number of Issuing Entity: 333-131591-04
                                                      -------------

                   GSC Capital Corp. Mortgage Trust 2006-1,
                     Mortgage-Backed Notes, Series 2006-1
                     -------------------------------------
          (Exact name of Issuing Entity as Specified in Its Charter)

                Commission file number of Depositor: 333-131591
                                                     ----------

                                  CWABS, Inc.
                                  -----------
             (Exact name of Depositor as Specified in Its Charter)

                               GSC Capital Corp.
                               -----------------
              (Exact name of Sponsor as Specified in Its Charter)

         Delaware                                    95-4596514
-------------------------------        --------------------------------------
(State or Other Jurisdiction of        (I.R.S. Employer Identification No. of
Incorporation or Organization of        the Depositor)
the Depositor)

c/o   Countrywide Home Loans Servicing LP
      4500 Park Granada
      Calabasas, California                               91302
--------------------------------             ------------------------------
(Address of Principal Executive Offices                (Zip Code)
of the Depositor)

Registrant's telephone number, including area code:   (818) 225-3000
                                                      --------------

Securities registered pursuant to Section 12(b) of the Act:  None
                                                             ----

Securities registered pursuant to Section 12(g) of the Act:  None
                                                             ----


<PAGE>


   Indicate by check mark if the registrant is a well-known seasoned issuer,
as defined in Rule 405 of the Securities Act.                   |_| Yes |X| No

   Indicate by check mark if the registrant is not required to file reports
pursuant to Section 13 or Section 15(d) of the Act.             |_| Yes |X| No

   Indicate by check mark whether the registrant: (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to
such filing requirements for the past 90 days.                  |X| Yes |_| No

   Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K (ss.229.405 of this chapter) is not contained herein,
and will not be contained, to the best of registrant's knowledge, in
definitive proxy or information statements incorporated by reference in Part
III of this Form 10-K or any amendment to this Form 10-K.       |X|

   Indicate by check mark whether the registrant is a large accelerated filer,
an accelerated filer, or a non-accelerated filer. See definition of
"accelerated filer and large accelerated filer" in Rule 12b-2 of the Exchange
Act. (Check one):

Large Accelerated Filer |_|  Accelerated Filer |_|  Non-Accelerated Filer |X|

   Indicate by check mark whether the registrant is a shell company (as
defined in Rule 12b-2 of the Exchange Act).                     |_| Yes |X| No

   The Registrant has no voting or non-voting common equity held by
non-affiliates.


                                      2
<PAGE>


                      DOCUMENTS INCORPORATED BY REFERENCE

                                     None.

                           *          *          *


      This Annual Report on Form 10-K (the "Report") is filed with respect to
the trust entitled GSC Capital Corp. Mortgage Trust 2006-1 (the "Issuing
Entity"), a statutory trust formed under the laws of the State of Delaware
pursuant to the amended and restated trust agreement dated as of March 22,
2006 (the "Trust Agreement") among CWABS, Inc., as depositor (the "Company"),
Wilmington Trust Company, as owner trustee, and The Bank of New York, as
certificate registrar and certificate paying agent, in connection with the
issuance of Mortgage-Backed Notes, Series 2006-1 (the "Notes"), issued
pursuant to an indenture, dated March 22, 2006 (the "Indenture"), between the
Issuing Entity and The Bank of New York, as indenture trustee (the "Trustee").
The assets of the Issuing Entity are comprised of assets sold to the Issuing
Entity pursuant to a sale and servicing agreement, dated March 1, 2006 (the
"Sale and Servicing Agreement") among the Company, as depositor, GSC Capital
Corp., as sponsor, GSC Capital Corp. QRS Delaware Loan Holdings, Inc., as
seller, Countrywide Home Loans Servicing LP, as master servicer (the "Master
Servicer"), the Issuing Entity, Countrywide Home Loans Inc., and the Trustee,
as indenture trustee.


                                      3
<PAGE>


                                    PART I


Item 1.     Business.

            Omitted as permitted by Instruction J to Form 10-K.

Item 1A.    Risk Factors.

            Omitted as permitted by Instruction J to Form 10-K.

Item 1B.    Unresolved Staff Comments.

            Not Applicable.

Item 2.     Properties.

            Omitted as permitted by Instruction J to Form 10-K.

Item 3.     Legal Proceedings.

            Omitted as permitted by Instruction J to Form 10-K.

Item 4.     Submission of Matters to a Vote of Security Holders.

            Omitted as permitted by Instruction J to Form 10-K.


                                      4
<PAGE>


                                    PART II


Item 5.     Market for Registrant's Common Equity, Related Stockholder Matters
            and Issuer Purchases of Equity Securities.

            Omitted as permitted by Instruction J to Form 10-K.

Item 6.     Selected Financial Data.

            Omitted as permitted by Instruction J to Form 10-K.

Item 7.     Management's Discussion and Analysis of Financial Condition and
            Results of Operations.

            Omitted as permitted by Instruction J to Form 10-K.

Item 7A     Quantitative and Qualitative Disclosures about Market Risk.

            Omitted as permitted by Instruction J to Form 10-K.

Item 8.     Financial Statements and Supplementary Data.

            Omitted as permitted by Instruction J to Form 10-K.

Item 9.     Changes in and Disagreements With Accountants on Accounting and
            Financial Disclosure.

            Omitted as permitted by Instruction J to Form 10-K.

Item 9A.    Controls and Procedures.

            Omitted as permitted by Instruction J to Form 10-K.

Item 9B.    Other Information.

            None.


                                      5
<PAGE>


                                   PART III


Item 10.    Directors, Executive Officers and Corporate Governance.

            Omitted as permitted by Instruction J to Form 10-K.

Item 11.    Executive Compensation.

            Omitted as permitted by Instruction J to Form 10-K.

Item 12.    Security Ownership of Certain Beneficial Owners and Management and
            Related Stockholder Matters.

            Omitted as permitted by Instruction J to Form 10-K.

Item 13.    Certain Relationships and Related Transactions, and Director
            Independence.

            Omitted as permitted by Instruction J to Form 10-K.

Item 14.    Principal Accountant Fees and Services.

            Omitted as permitted by Instruction J to Form 10-K.


                                      6
<PAGE>


                                    PART IV

Item 15.  Exhibits and Financial Statement Schedules.

          (a) (1) Not applicable.

              (2) Not applicable.

              (3) The required exhibits are as follows:

                  o     Exhibit 3(i): Copy of Company's Certificate of
                        Incorporation (Filed as Exhibit 3.1 to Registration
                        Statement on Form S-3 (File No. 333-11095))

                  o     Exhibit 3(ii): Copy of Company's By-laws (Filed as
                        Exhibit 3.2 to Registration Statement on Form S-3
                        (File No. 333-11095))

                  o     Exhibit 4.1: Sale and Servicing Agreement (Filed as
                        part of the Current Report on Form 8-K filed on April
                        6, 2006 under the Commission file number of the
                        Issuing Entity)

                  o     Exhibit 4.2: Indenture (Filed as part of the Current
                        Report on Form 8-K filed on April 6, 2006 under the
                        Commission file number of the Issuing Entity)

                  o     Exhibit 31(ii): Rule 15d-14(d) Certification

                  o     Exhibit 33.1: Report on Assessment of Compliance With
                        Servicing Criteria for Asset-Backed Securities for
                        Countrywide Financial Corporation

                  o     Exhibit 33.2: Report on Assessment of Compliance With
                        Servicing Criteria for Asset-Backed Securities for the
                        Trustee

                  o     Exhibit 34.1: Attestation Report on Assessment of
                        Compliance With Servicing Criteria for Asset-Backed
                        Securities of KPMG LLP on behalf of Countrywide
                        Financial Corporation

                  o     Exhibit 34.2: Attestation Report on Assessment of
                        Compliance With Servicing Criteria for Asset-Backed
                        Securities of Ernst & Young LLP on behalf of the
                        Trustee

                  o     Exhibit 35: Servicer Compliance Statement of the
                        Master Servicer

          (b) See subparagraph (a)(3) above.

          (c) Not applicable.


                                      7
<PAGE>


                            ADDITIONAL INFORMATION


Item 1112(b) of Regulation AB.     Financial Information of Significant
                                   Obligors.

            Not Applicable.


Item 1114(b)(2) of Regulation AB.  Financial Information of Significant
                                   Enhancement Providers.

            Not Applicable.


Item 1115(b) of Regulation AB.     Financial Information of Certain Entities
                                   Providing Derivative Instruments.

            Not Applicable.


Item 1117 of Regulation AB.        Legal Proceedings.

            None.


Item 1119 of Regulation AB.        Affiliations and Certain Relationships and
                                   Related Transactions.

            The information required by Item 1119 of Regulation AB was
            previously filed with the U.S. Securities and Exchange Commission
            in the prospectus supplement filed under Rule 424(b) of the
            Securities Act of 1933, as amended, for GSC Capital Corp. Mortgage
            Trust 2006-1.

Item 1122 of Regulation AB.        Compliance with Applicable Servicing
                                   Criteria.

            See Exhibits 33.1, 33.2, 34.1 and 34.2 to this Form 10-K.


Item 1123 of Regulation AB.        Servicer Compliance Statement.

            See Exhibit 35 to this Form 10-K.


                                      8
<PAGE>


                                  SIGNATURES

      Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.

                        GSC CAPITAL CORP. MORTGAGE TRUST 2006-1

                        By:   Countrywide Home Loans Servicing LP,
                              as Master Servicer

                              By:   Countrywide GP, Inc.


                                    By:   /s/ Steve Bailey
                                          ------------------------------
                                          Name:  Steve Bailey
                                          Title: Senior Managing Director,
                                                 Loan Administration

                                          Date:  March 26, 2007


                                      9
<PAGE>


      SUPPLEMENTAL INFORMATION TO BE FURNISHED WITH REPORTS FILED PURSUANT TO
SECTION 15(d) OF THE ACT BY REGISTRANTS WHICH HAVE NOT REGISTERED SECURITIES
PURSUANT TO SECTION 12 OF THE ACT.

      No annual report, proxy statement, form of proxy or other proxy
soliciting material with respect to the Issuing Entity or the Depositor has
been, or will be, sent to security holders.


                                      10
<PAGE>


                                 EXHIBIT INDEX


Exhibit     Document
-------     --------


3(i)        Company's Certificate of Incorporation (Filed as Exhibit 3.1 to
            Registration Statement on Form S-3 (File No. 333-11095))*

3(ii)       Company's By-laws (Filed as Exhibit 3.2 to Registration Statement
            on Form S-3 (File No. 333-11095)*

4.1         Sale and Servicing Agreement (Filed as part of the Current Report
            on Form 8-K filed on April 6, 2006 under the Commission file
            number of the Issuing Entity)*

4.2         Indenture (Filed as part of the Current Report on Form 8-K filed
            on April 6, 2006 under the Commission file number of the Issuing
            Entity)*

31(ii)      Rule 15d-14(d) Certification

33.1        Report on Assessment of Compliance With Servicing Criteria for
            Asset-Backed Securities for Countrywide Financial Corporation

33.2        Report on Assessment of Compliance With Servicing Criteria for
            Asset-Backed Securities for the Trustee

34.1        Attestation Report on Assessment of Compliance With Servicing
            Criteria for Asset-Backed Securities of KPMG LLP on behalf of
            Countrywide Financial Corporation

34.2        Attestation Report on Assessment of Compliance With Servicing
            Criteria for Asset-Backed Securities of Ernst & Young LLP on
            behalf of the Trustee

35          Servicer Compliance Statement of the Master Servicer


____________

*     Incorporated herein by reference.


                                      11