kastelldev/kastell

v1.7.0 Security

This release includes 1 security fix for security teams reviewing exposed deployments.

Published 2mo Server & OS Management

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✓ No known CVEs patched

Read the diff → Tool health → What is this tool? →

This release patches 1 known CVE

Topics

automation cli coolify devops digitalocean docker

+10 more

dokploy hetzner linode mcp security-audit self-hosted server-management typescript vps vultr

Affected surfaces

auth rbac deps

Summary

AI summary

New kastell lock, guard, and doctor commands add production hardening, autonomous monitoring, and health analysis.

Full changelog

What's New in v1.7.0 — Guard Core

New Commands

kastell lock — One-command production hardening (SSH, fail2ban, UFW, sysctl, unattended-upgrades). Shows audit score before/after
kastell guard start|stop|status — Autonomous security monitoring daemon via remote cron (disk/RAM/CPU/audit checks every 5 min)
kastell backup --schedule — Cron-based automatic backups (hourly/daily/weekly/custom)
kastell audit --trend — Audit score trend analysis over time
kastell doctor <server> — Per-server proactive health analysis (disk trending, swap, stale packages, fail2ban bans, audit regression, Docker space)

New MCP Tools

server_guard — Start/stop/status guard daemon
server_doctor — Proactive health analysis (summary/json)
server_lock — Production hardening (dry-run/production/force)

Security

OWASP review: 10 security fixes
flatted 3.3.3 → 3.4.1 (DoS fix)

Stats

571 new tests (2,467 → 3,038)
12 MCP tools (was 9)
3 new CLI commands (lock, guard, doctor --server)

Full changelog: https://github.com/kastelldev/kastell/blob/main/CHANGELOG.md

Security Fixes

flatted upgraded from 3.3.3 to 3.4.1 — fixes denial‑of‑service vulnerability

View diff on GitHub

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About kastelldev/kastell

Server security auditing and hardening toolkit. 413 security checks across 29 categories (SSH, Firewall, Docker, TLS, HTTP Headers), CIS/PCI-DSS/HIPAA compliance mapping, 19-step production hardening, fleet management, and forensic evidence collection. Supports Hetzner, DigitalOcean, Vultr, and Linode. 13 MCP tools.

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