Announcing ColdFusion updates released July 8 2025: p1 security update and more
An update for ColdFusion has been released, July 8 2025, for each of cf2025 (update 3), cf2023 (update 15) and cf2021 (update 21). In brief, it addresses a number of P1 (Priority 1, "Critical") security vulnerabilities and more, including bug fixes and some modest feature changes.
As usual, there are a number of things you should consider before (or after) doing the update, with some discussed in Adobe's resources on the update (more than one), and some that I share below based on my experience helping people apply this and past updates. Finally, the update corrects some issues introduced in the previous updates, released in May.
In this post, I share the details about the update (from Adobe and from others). I can report I have installed the update for each release on multiple machines and operating systems without any major incidents. As for challenges (common to recent releases) and lessons learned (about this update), read on.
I updated our servers this morning, and everytime I try and send an email now, it results in a 500 Server Error.