6 min
Fixing a Path Traversal Vulnerability in image-downloader
How CVE-2026-103648, a critical path traversal (CWE-22) in image-downloader, was reported, fixed in 4.3.1 and covered by a regression test.
Topic
Security
Reconnaissance, hardening and the defensive habits that keep systems trustworthy.
6 articles
Articles tagged Security
7 min
Ṣeto: a small orchestrator for Docker
Orchestrating Docker Swarm and Compose deployments with hardware-aware placement, NFS storage and Traefik integration.
5 min
Updated Feb 2026
Introduction to Holehe: A Powerful Tool for Email Reconnaissance
An introduction to Holehe, a Python tool that checks where an email address is registered.
1 min
Updated Dec 2023
Generate SSL certificat for localhost
Generate a self-signed TLS certificate and key for local development with openssl.
1 min
Updated Dec 2023
SSH Tunnel
Create a local port forward with ssh -L to reach a service on a remote network.
1 min
Updated Dec 2023
Copy SSH Key to a Server
Install an SSH public key on a remote server by hand when ssh-copy-id is unavailable.