cPanel update failure: E Sysup: Needed system packages were not installed: python312

Symptoms

cPanel fails to update, and the log shows:

# [2026-04-28 20:58:53 -0300] E Sysup: Needed system packages were not installed: python312

Cause

AlmaLinux 8 or CloudLinux 8 is in use and hasn't been updated to 8.10+ yet. The package is not available before 8.10.

Resolution

1. Log in to SSH as the root user or use the WHM Terminal.

2. Update the release package:

   For CloudLinux:

   # dnf update cloudlinux-release

   For AlmaLinux:

   # dnf update almalinux-release

3. Run the following command to update packages:

   # /scripts/update-packages

4. Try updating cPanel again afterward.