UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

~~March~~October 130, 2025 Date of Report (Date of Earliest Event Reported)

Central Index Key Number of the issuing entity: 0001979859
BENCHMARK 2023-B39 MORTGAGE TRUST
(Exact name of issuing entity)

Central Index Key Number of the registrant: 0001258361
Citigroup Commercial Mortgage Securities Inc.
(Exact name of registrant as specified in its charter)

Central Index Key Number of the sponsor: 0001701238
Citi Real Estate Funding Inc.
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0000835271
JPMorgan Chase Bank, National Association
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001541294
German American Capital Corporation
(Exact name of sponsor as specified in its charter)

Central Index Key Number of the sponsor: 0001541502
Goldman Sachs Mortgage Company
(Exact name of sponsor as specified in its charter)

New York		333-262701-04		38-4258208 38-4258209
(State or other jurisdiction of incorporation of issuing entity)		(Commission File Number of issuing entity)		(I.R.S. Employer Identification Numbers)

c/o Computershare Trust Company, N.A.
9062 Old Annapolis Road
Columbia, MD 21045
(Address of principal executive offices of the issuing entity) (Zip Code)

(212) 816-5343
Registrant's Telephone number, including area code

Former name or former address, if changed since last report: Not Applicable

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))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered

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).

☐ Emerging growth company

☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised Financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

Item 86.0104 ~~Other~~Failure ~~Events~~to Make a Required Distribution.

~~Reference~~Computershare Trust isCompany, ~~hereby~~N.A., ~~made~~as certificate administrator (the “Certificate Administrator”), made distributions to the ~~Pooling~~Certificateholders ~~and~~on ~~Servicing~~the ~~Agreement~~October 20, 2025 distribution date. The Certificate Administrator was subsequently notified by Midland Loan Services, a Division of PNC Bank, National Association, as master servicer (the “~~Benchmark~~Master ~~2023-B39 PSA~~Servicer”), on October ~~dated~~30, as2025 of ~~July~~a 1,revision ~~2023,~~to ~~relating~~its October 2025 reporting due to the ~~Benchmark~~receipt ~~2023-B39~~of additional ~~Mortgage~~principal ~~Trust (~~curtailments for the ~~“Issuing~~mortgage ~~Entity”). The~~loan ~~Benchmark~~identified ~~2023~~as Jaylor -~~B39~~ Burger ~~PSA~~King ~~was~~Portfolio ~~filed~~(Loan ~~as Exhibit~~ID ~~4.1~~Number# 17) on Annex A to the ~~registrant's~~prospectus ~~Current~~with respect ~~Report~~to onthe ~~Form~~issuing ~~8-K~~entity filed on July 18, 2023 pursuant to Rule 424(b)(2) under Commission File ~~No.~~Number 333-262701-04. ~~Effective~~ This asresulted ofin ~~March~~an 1,additional ~~2025,~~principal ~~Trimont~~payment ~~LLC,~~to athe ~~Georgia~~Class ~~limited~~A-1 ~~liability~~Certificateholders ~~company~~in ~~(“Trimont”), succeeded~~the toamount ~~Wells Fargo Bank~~of $505,591.91. ~~National~~The ~~Association~~additional ~~(“Wells~~principal ~~Fargo”) in~~payment ~~the~~was ~~capacity~~made ~~described~~to ~~below~~the ~~and~~Class ~~will~~A-1 Certificateholders ~~act~~on asNovember ~~successor:~~3, 2025.

~~master servicer under the BANK 2023-BNK46 pooling and~~SIGNATURES servicing agreement (filed as Exhibit 4.1 to the registrant's Current Report on Form 8-K filed on August 16, 2023 under Commission File No. 333-262701-04) pursuant to which the One & Two Commerce mortgage loan, an asset of the Issuing Entity, is serviced.

~~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.

~~Pursuant~~Citigroup toCommercial ~~the~~Mortgage ~~requirements of the~~ Securities ~~Exchange Act of 1934, the~~Inc. ~~registrant~~(Depositor) ~~has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.~~

~~Citigroup~~/s/ ~~Commercial~~Richard ~~Mortgage Securities Inc.~~Simpson ~~(Depositor)~~Richard Simpson, President

~~/s/~~Date: November ~~Richard Simpson Richard Simpson~~5, ~~President~~2025

Date: March 3, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D.C. 20549

FORM 8-K

CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Filing Compare · Benchmark 2023-B39 Mortgage Trust