this post was submitted on 07 Sep 2026
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My Homelab Got Hacked - A Postmortem – Phunky Cafe (phunky.cafe)
submitted 3 days ago by michaelharley@infosec.pub to c/selfhosted@lemmy.world
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Welp. My Forgejo instance got popped with an RCE two days ago by CVE-2026-60004. Luckily, I noticed the following morning and had the day free to figure out what happened. Let's dive in!

As a homelab enthusiast, I found this a very interesting post. Here are my take aways from the post that I'm implementing myself:

  • Miner detection. I've updated monitoring rules to now watch the CPU on my hosts. If the same thing happened to me I would not have been alerted at all as I'm doing simple up / down monitoring. Fixed.
  • Access logging. I turned on access logging for my homelab Caddy instances.
  • Log retention. I have increased the amount and retention of my logging. The hope is this will help me reconstruct what happened after a breach.
  • Logs offsite. The VPS access logs now ride along with the normal backup process, which runs hourly. The homelab side still only gets caught by the weekly VM backup, so that's next.
  • Closed an open signup. My webtrees instance (genealogy) had self registration enabled, which is the same door this guy got hit through. Oops. Fixed.
  • Built a tool. log-inventory.sh, so "could I actually reconstruct what happened" is a command I run instead of a thing I assume.
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[–] Decronym@lemmy.decronym.xyz 2 points 3 days ago* (last edited 2 days ago)

Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

Fewer Letters More Letters
CA (SSL) Certificate Authority
DHCP Dynamic Host Configuration Protocol, automates assignment of IPs when connecting to a network
DNS Domain Name Service/System
Git Popular version control system, primarily for code
SSH Secure Shell for remote terminal access
TLS Transport Layer Security, supersedes SSL
VPN Virtual Private Network
VPS Virtual Private Server (opposed to shared hosting)

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