Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the Inducement Stock Option Award of Infinity Pharmaceuticals, Inc. of our report dated March 28,
2023, with respect to the consolidated financial statements of Infinity Pharmaceuticals, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2022, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Boston, Massachusetts
March 28, 2023