I submitted Node.js 6.10.0 into updates-testing yesterday. Most of the mirrors should be picking it up today. I'd appreciate it if some of the subscribers on this list would test it out under real workloads involving HTTPS, as it required significant rework of the patch to support the system CA certificate store.
* F25: https://bodhi.fedoraproject.org/updates/FEDORA-2017-2b3ba724ba * F26: https://bodhi.fedoraproject.org/updates/FEDORA-2017-f2407af2f2 * EPEL7: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2017-14361c9d54