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60 posts tagged with "Cybersecurity"

Cybersecurity threats and defenses

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Your Namespace-Scoped Sealed Secret Wasn't: What CVE-2026-22728's Rotation Bug Actually Broke
·Dora Noda·9 min

Your Namespace-Scoped Sealed Secret Wasn't: What CVE-2026-22728's Rotation Bug Actually Broke

A rotation-endpoint bug in Bitnami's Sealed Secrets let attacker-controlled annotations turn a namespace-scoped secret cluster-wide — without touching Kubernetes RBAC at all. Here's the attack, and the NetworkPolicy audit every shared cluster needs to run.

security
self-hosting
PaaS
infrastructure
+1
Docker's CVE-2026-34040 Is the Second Time This AuthZ Bypass Shipped: A Padded HTTP Request Still Grants Host Access on Unpatched Engines Below 29.3.1
·Dora Noda·8 min

Docker's CVE-2026-34040 Is the Second Time This AuthZ Bypass Shipped: A Padded HTTP Request Still Grants Host Access on Unpatched Engines Below 29.3.1

CVE-2026-34040 bypasses every Docker AuthZ plugin with one oversized HTTP request — the same underlying gap as 2024's CVE-2024-41110, patched twice and still exploitable below Engine 29.3.1. Here's the exact payload, why the first fix didn't hold, and what it means for a Cluster API fleet's patch discipline.

self-hosting
PaaS
cybersecurity
AWS Open-Sourced the Exact MCP Governance Layer Snowflake Just Paid to Acquire
·Dora Noda·9 min

AWS Open-Sourced the Exact MCP Governance Layer Snowflake Just Paid to Acquire

Snowflake just paid an undisclosed sum to acquire Natoma's MCP governance gateway. AWS's Apache-2.0 mcp-gateway-registry already does the same identity, policy, and audit job — self-hosted on EKS, ECS, or a single Docker Compose file.

Model Context Protocol
self-hosting
PaaS
AI agents
+1
The Jscrambler npm Backdoor Beat npm's 3-Day-Old Fix — What That Means for Your Build Pipeline's Secrets
·Dora Noda·10 min

The Jscrambler npm Backdoor Beat npm's 3-Day-Old Fix — What That Means for Your Build Pipeline's Secrets

A compromised Jscrambler npm release beat npm 12's new install-script defaults within three days, stealing CI credentials and AI tool configs. Here's the build-pipeline architecture — platform-enforced script policy, egress-denied sandboxes, ephemeral scoped credentials — that actually closes the gap.

security
self-hosting
PaaS
infrastructure
+1
Anubis Crosses 20,000 Stars: What Self-Hosting Your Own AI-Scraper Defense Actually Costs
·Dora Noda·9 min

Anubis Crosses 20,000 Stars: What Self-Hosting Your Own AI-Scraper Defense Actually Costs

Anubis's proof-of-work challenge crossed 20,000 GitHub stars fighting AI scrapers — here's what it actually costs in compute versus what its JavaScript requirement costs real visitors, and whether a self-hosted PaaS should bundle it.

security
cybersecurity
PaaS
self-hosting
+1
Dokploy's WebSocket Terminal Bug (CVE-2026-24841): One Exec Call, Root on Every Server It Manages
·Dora Noda·9 min

Dokploy's WebSocket Terminal Bug (CVE-2026-24841): One Exec Call, Root on Every Server It Manages

Inside Dokploy's CVSS 9.9 WebSocket terminal bug: the actual vulnerable code, why an argv-array fix only solves half the exploit path, and why the flaw reached every server the control plane manages over SSH, not just the local box.

security
cybersecurity
PaaS
self-hosting
+1
Four Root Exploits in Ten Weeks: What GhostLock Says About Kernel Patching for a Self-Hosted PaaS
·Dora Noda·9 min

Four Root Exploits in Ten Weeks: What GhostLock Says About Kernel Patching for a Self-Hosted PaaS

GhostLock lets any logged-in user become root in five seconds — and it's the fourth independently discovered kernel or hypervisor escape disclosed in ten weeks. Here's the patch-cadence argument for treating kernel CVEs as a same-day operational primitive on a self-hosted fleet.

self-hosting
PaaS
security
infrastructure
+1
Coolify Fixed 11 Critical CVEs in January. The Same Root Cause Struck Again in July
·Dora Noda·9 min

Coolify Fixed 11 Critical CVEs in January. The Same Root Cause Struck Again in July

Coolify patched 11 critical CVEs at CVSS 9.4-10.0 in January 2026, then shipped a fix for the same root-cause bug class in July. Here's what the repeat says about single-daemon PaaS architecture versus RBAC-scoped, Kubernetes-native control planes.

security
PaaS
self-hosting
infrastructure
+1
10,000 MCP Servers and Counting: Why Deploy-From-Chat's Real Bottleneck Is Discovery, Not Capability
·Dora Noda·9 min

10,000 MCP Servers and Counting: Why Deploy-From-Chat's Real Bottleneck Is Discovery, Not Capability

The official MCP Registry now lists nearly 10,000 servers and MCP SDKs hit 97 million monthly downloads. Here's why that scale makes discovery and trust the real bottleneck for a deploy-from-chat MCP server — and what actually closes the gap.

Model Context Protocol
AI agents
self-hosting
PaaS
+1
Showing 10–18 of 60 posts