Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” and to the use of our report dated August 6, 2020, in the Registration Statement (Form S-1) and related Prospectus of Codiak BioSciences, Inc. dated September 9, 2020.
/s/ Ernst & Young LLP
Boston, Massachusetts
September 9, 2020
