UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

________________

FORM 8-‑K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July ~~April 21~~2, 2026

Central Index Key Number of the issuing entity: 0002110410

Benchmark 2026-B42 Mortgage Trust

(Exact name of Issuing Entity)

Central Index Key Number of the depositor: 0001013454

Deutsche Mortgage & Asset Receiving Corporation

(Exact Name of Registrant as Specified in its Charter)

Central Index Key Number of the sponsor: 0001541294

German American Capital Corporation

Central Index Key Number of the sponsor: 0001701238

Citi Real Estate Funding Inc.

Central Index Key Number of the sponsor: 0001541502

Goldman Sachs Mortgage Company

Central Index Key Number of the sponsor: 0001577313

National Cooperative Bank, N.A.

Central Index Key Number of the sponsor: 0001549574

Barclays Capital Real Estate Inc.

Central Index Key Number of the sponsor: 0001685185

UBS AG

Central Index Key Number of the sponsor: 0000927971

Bank of Montreal

(Exact Names of the Sponsors as Specified in their Charters)

Delaware	333-283864-04	04-3310019
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

1 Columbus Circle, New York, New York	10019
(Address of Principal Executive Offices)	(ZIP Code)

1 Columbus Circle, New York, New York 10019

(Address of Principal Executive Offices) (ZIP Code)

Registrant’s telephone number, including area code (212) 250-2500

Not applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

~~Item~~Emerging ~~1.01. Entry into a Material Definitive Agreement.~~growth company 

OnIf ~~March~~an ~~12,~~emerging ~~2026~~growth company, ~~Deutsche Mortgage~~indicate &by ~~Asset~~check ~~Receiving~~mark ~~Corporation~~if (the ~~“Registrant”)~~registrant ~~caused~~has ~~the~~elected ~~issuance~~not ofto ~~the~~use ~~Benchmark 2026-B42 Mortgage Trust~~the ~~(“Issuing~~extended ~~Entity”)~~transition ~~Commercial~~period ~~Mortgage~~for ~~Pass-Through~~complying ~~Certificates,~~with ~~Series~~any ~~2026-B42~~new ~~(the~~or ~~“Certificates”),~~revised ~~pursuant~~financial toaccounting ~~the~~standards ~~Pooling~~provided ~~and~~pursuant ~~Servicing~~to ~~Agreement,~~Section ~~dated as of March 1, 2026~~ 13(~~the “Pooling and Servicing Agreement”~~a), ~~between the Registrant, as depositor, Midland Loan Services, a Division~~ of PNC Bank, National Association, as a master servicer, National Cooperative Bank, N.A., as a master servicer, K-Star Asset Management, LLC, as a special servicer, National Cooperative Bank, N.A., as a special servicer, Computershare Trust Company, National Association, as trustee, certificate administrator, paying agent and custodian, and Park Bridge Lender Services LLC, as operating advisor and asset representations reviewer. Capitalized terms used but not defined herein shall have the ~~meanings~~Exchange ~~assigned to them in the Pooling and Servicing Agreement~~Act. 

~~One mortgage loan, secured~~Section by8 ~~the~~– ~~mortgaged~~Other property identified as “50 West 23rd Street” on Exhibit B to the Pooling and Servicing Agreement (the “50 West 23rd Street Mortgage Loan”), is an asset of the Issuing Entity and part of a whole loan (the “50 West 23rd Street Whole Loan”) that includes the 50 West 23rd Street Mortgage Loan and one pari passu promissory note (the “50 West 23rd Street Pari Passu Companion Loan”) that is not an asset of the Issuing Entity. The Pooling and Servicing Agreement provides that the 50 West 23rd Street Whole Loan will be serviced and administered (i) until the securitization of the controlling 50 West 23rd Street Pari Passu Companion Loan, under the Pooling and Servicing Agreement and (ii) from and after the securitization of the controlling 50 West 23rd Street Pari Passu Companion Loan, under the pooling and servicing agreement entered into in connection with that securitization.Events

~~The~~Item controlling 50 West 23rd Street Companion Loan was securitized on April 21, 2026 in connection with the issuance of a series of mortgage pass-through certificates entitled Wells Fargo Commercial Mortgage Trust 2026-C66, Commercial Mortgage Pass-Through Certificates, Series 2026-C668.01 ~~Consequently, the~~– 50Other West 23rd Street Mortgage Loan is being serviced and administered under the pooling and servicing agreement entered into in connection with such securitization, dated as of April 1, 2026 (the “WFCM 2026-C66 PSA”), between Wells Fargo Commercial Mortgage Securities, IncEvents., as depositor, Trimont LLC, as master servicer (the “Non-Serviced Master Servicer”), LNR Partners, LLC, as special servicer (the “Non-Serviced Special Servicer”), Computershare Trust Company, N.A., as certificate administrator (the “Non-Serviced Certificate Administrator”), Deutsche Bank National Trust Company, as trustee (the “Non-Serviced Trustee”), and BellOak, LLC, as operating advisor (in such capacity, the “Non-Serviced Operating Advisor”) and asset representations reviewer (in such capacity, the “Non-Serviced Asset Representations Reviewer”). The WFCM 2026-C66 PSA is attached hereto as Exhibit 99.1.

~~The~~Effective as ~~servicing~~of ~~terms~~July of2, 2026, Torchlight Loan Services, LLC, a Delaware limited liability company (“Torchlight”), will act as special servicer for the ~~WFCM~~Cummins Station ~~2026~~mortgage loan and each related pari passu and/or subordinate promissory note (collectively, the “Cummins Station Non-~~C66~~Serviced ~~PSA~~Loan ~~are~~Combination”), which ~~substantially~~is ~~similar~~serviced tounder the pooling and servicing ~~terms~~agreement offor the ~~Pooling~~BANK5 ~~and~~2024-5YR8 securitization (the “BANK5 2024-5YR8 PSA”), replacing Greystone Servicing ~~Agreement~~Company ~~applicable~~LLC toas ~~the~~special ~~Serviced~~servicer for such non-serviced loan combination. ~~Mortgage~~Torchlight ~~Loans;~~was ~~however,~~appointed at the ~~servicing~~direction ~~arrangements~~of 400 Capital Management LLC, the directing certificateholder under ~~such~~the ~~agreements~~BANK5 ~~differ~~2024-5YR8 inPSA. ~~certain~~As ~~respects,~~special ~~including~~servicer for the ~~items~~Cummins ~~set~~Station ~~forth~~Non-Serviced ~~under~~Loan Combination, Torchlight will be ~~“Pooling~~responsible ~~and~~for ~~Servicing~~the ~~Agreement—Servicing~~servicing and administration of the Cummins Station Non-Serviced Loan ~~Mortgage~~Combination ~~Loans—General”~~if init becomes specially serviced (and the ~~prospectus~~servicing ~~relating~~and administration of any related REO property) and processing and performing certain reviews of material actions with respect to the ~~Certificates,~~Cummins ~~dated~~Station ~~February~~Non-Serviced Loan ~~24,~~Combination ~~2026~~when (the ~~“Prospectus”),~~Cummins ~~and~~Station Non-Serviced Loan Combination is not specially serviced. Servicing of the ~~following:~~Cummins Station Non-Serviced Loan Combination will continue to be governed by the BANK5 2024-5YR8 PSA.

· The Non-Serviced Master Servicer will earn a primary servicing fee with respect to the 50 West 23rd Street Mortgage Loan that is to be calculated at 0.00125% per annum (which rate includes any applicable sub-servicing fee rate).SIGNATURES

·Pursuant ~~Upon~~to the 50requirements ~~West~~of ~~23rd Street Mortgage Loan becoming a specially serviced loan under~~ the ~~WFCM~~Securities Exchange ~~2026-C66~~Act ~~PSA~~of 1934, the ~~Non-Serviced~~registrant ~~Special~~has ~~Servicer~~duly ~~will~~caused ~~earn~~this areport ~~special servicing fee payable monthly with respect~~ to ~~such~~be ~~mortgage~~signed on ~~loan~~its ~~accruing~~behalf atby athe ~~rate~~undersigned ~~equal~~hereunto toduly 0authorized.~~25% per annum (subject to a minimum monthly fee of $3,500), until such time as such mortgage loan is no longer specially serviced.~~

·DEUTSCHE ~~The~~MORTGAGE ~~Non-Serviced~~& ~~Special~~ASSET ~~Servicer~~RECEIVING will be entitled to a workout fee equal to 1.0% of each payment of interest (other than default interest and excess interest) and principal (other than any amount for which a liquidation fee would be paid) in respect of the 50 West 23rd Street Whole Loan made by the related borrower after a workout of the 50 West 23rd Street Whole Loan. The workout fee is subject to a minimum fee of $25,000.CORPORATION

3By: /s/ Robert-Christopher Jones

~~· The Non~~Name: Robert-~~Serviced~~Christopher Special Servicer will be entitled to a liquidation fee equal to 1.0% of net liquidation proceeds received in connection with a liquidation of the 50 West 23rd Street Whole Loan. The liquidation fee is subject to a minimum fee of $25,000.Jones

4Title: Managing Director

~~Item~~By: /s/ ~~9.01.~~Matt ~~Financial Statements and Exhibits.~~Smith

~~(d) Exhibits~~Name: Matt Smith

99.1 Pooling and Servicing Agreement, dated and effective as of April 1, 2026, among Wells Fargo Commercial Mortgage Securities, Inc., as depositor, Trimont LLC, as master servicer, LNR Partners, LLC, as special servicer, Computershare Trust Company, National Association, as certificate administrator, Deutsche Bank National Trust Company, as trustee, and BellOak, LLC, as operating advisor and as asset representations reviewer.Title: Director

5Dated: July 2, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

DEUTSCHE MORTGAGE & ASSET RECEIVING CORPORATION By: /s/ Robert-Christopher Jones Name: Robert-Christopher JonesTitle: Managing Director

By: /s/ Matt Smith Name: Matt SmithTitle: Director

Dated: April 23, 2026

BMARK 2026-B42 – 8-K (50 W 23rd Street Servicing Shift)

Filing Compare · Benchmark 2026-B42 Mortgage Trust