DevOps Daily Newsletter - Week 27, 2026

Hey folks, here's everything we shipped this week to keep your DevOps skills sharp.

Blog Posts

Splunk Shipped an Unauthenticated Database Sidecar: CVE-2026-20253

Turns out Splunk Enterprise 10 quietly ships a PostgreSQL server you never asked for, and in affected versions it sits there unauthenticated. CVE-2026-20253 breaks down what got exposed and what to patch.

Streaming an AI Agent Without a Function Timeout

Long agent loops and long token streams both crash into the same serverless function timeout. Here's how to stream an AI agent without hitting that wall.

Compute That Lives on Your Database Branch

Neon Functions run your code in the same region as your Postgres, on a per-branch URL. See why putting compute right next to your data branch changes how you build.

I Gave an AI Agent a Database, Compute, Storage, and Models From One CLI

Spinning up an AI agent usually means juggling four separate accounts for a database, compute, storage, and a model provider. We wired all of it together from a single CLI instead.

Neon Is Becoming a Backend Platform, Not Just Postgres

In June 2026 Neon added serverless functions, S3-compatible object storage, and an AI gateway. The Postgres company is quietly turning into a full backend platform.

SpaceX Just Bought Cursor for $60B. What That Means If Your Team Lives in It

SpaceX is buying Anysphere, the maker of Cursor, in a $60 billion all-stock deal. Here's what that means if your team practically lives inside the editor.

Your Automation Platform Is a Credential Honeypot: Ansible CVE-2026-11807

A missing authorization check in Event-Driven Ansible lets any logged-in user read plaintext vault passwords. CVE-2026-11807 turns your automation platform into a credential honeypot.

Kubernetes 1.37 Just Locked Its Feature Set: What Made the Cut

The enhancements freeze for Kubernetes 1.37 landed on June 17, so the August release is now locked in. We walk through what made the cut and what got bumped.

The gRPC-Go Auth Bypass Hiding in Your Dependency Tree: CVE-2026-33186

A single missing leading slash lets requests slip past gRPC-Go authorization rules, and it scores a CVSS 9.1. CVE-2026-33186 might already be sitting in your dependency tree.

Your First Serverless LLM Call on DigitalOcean in 10 Minutes

DigitalOcean's Inference Engine gives you an OpenAI-compatible endpoint with pay-per-token pricing. We make your first serverless LLM call in about 10 minutes.

Secrets Management Best Practices with HashiCorp Vault

Run HashiCorp Vault the way production actually demands: auto-unseal, AppRole auth for machines, and dynamic database credentials. A practical look at the patterns that hold up.

News Digests

DevOps Weekly Digest - Week 26, 2026

Curated updates from Kubernetes, cloud native tooling, CI/CD, IaC, observability, and security, all in one place. Catch up on Week 26 without the doomscrolling.

Comparisons

Cilium vs Calico

Cilium and Calico both handle Kubernetes networking and security, but eBPF and iptables take very different roads to get there. We line them up side by side.

Consul vs etcd

Consul and etcd both do service discovery and distributed key-value storage, yet they fit very different jobs. Here's how to pick the right one.

Checklists

HashiCorp Vault Secrets Management Checklist

A hands-on checklist for standing up HashiCorp Vault in production, covering HA storage, TLS, auto-unseal, dynamic secrets, and encryption. Work through it before you trust Vault with anything real.

Multi-Region Active-Active Architecture on AWS Checklist

Everything you need to run active-active applications across AWS regions, from traffic routing to multi-region data. A build checklist for surviving a full region going dark.

Guides

Introduction to Ansible

Automate server configuration and deployment with Ansible, starting from the basic concepts and building up. A friendly on-ramp if you're new to it.

Quizzes

Concurrency and Race Conditions Quiz

Race conditions, deadlocks, and memory visibility bugs only show up under load and never in a debugger. Test how well you can reason about the chaos with our Concurrency and Race Conditions Quiz.

Back-of-the-Envelope Estimation Quiz

Turning users into QPS, data into storage, and traffic into bandwidth is the napkin math that makes or breaks a system design interview. See how sharp your estimates are.

Message Queues and Delivery Guarantees Quiz

At-least-once, at-most-once, and the exactly-once myth all come down to idempotent consumers and visibility timeouts. Put your delivery-guarantee knowledge to the test.

Flashcards

AWS Lambda Cold Start Optimization

Learn how cold starts actually work in AWS Lambda and the runtime and memory tricks that cut them down. Quick flashcards to lock in the techniques that matter.

Implementing Pod Security Standards in Kubernetes

Enforce the Baseline, Restricted, and Privileged profiles using the built-in Pod Security Admission controller. Flashcards to help the rules stick.

Featured Games

Fork Bomb Simulator

Watch the infamous :(){ :|:& };: fork bomb multiply processes exponentially until everything grinds to a halt. Safe to play with here, unlike on your laptop.

AWS VPC Networking Simulator

Learn AWS networking fundamentals with an interactive VPC simulator that shows exactly how traffic flows. Click around and watch packets find their way.

Happy learning, The DevOps Daily Team