OpenSSF Scorecard: 8.7/10 (v4)|License: AGPL-3.0-only verified|Audit Methodology→
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Nextcloud Hub

Healthy
nextcloud/server

Self-hosted productivity platform providing file sync, office suite, and collaboration.

28,500 starsPHP / VueRelease v30.0.4pushed yesterdayOpenSSF: 8.7/10
92/100
Composite Safety Index
Deep Technical Audit

AI Repo Scan & Security Analysis

Scanned 2026-09-18 10:00 UTCView RepoRaw JSON Data

Nextcloud Hub represents the most comprehensive private cloud collaboration suite in the open-source ecosystem, incorporating file synchronisation, groupware, calendar, webmail, and real-time document editing (via Collabora or OnlyOffice). With hundreds of thousands of institutional deployments across government agencies and enterprises, Nextcloud undergoes exhaustive, continuous security testing, backed by a lucrative public HackerOne bug bounty program.

The server's defense-in-depth architecture features server-side encryption, end-to-end client encryption folders, strict Content Security Policies (CSP), brute-force protection, and two-factor authentication. While PHP codebases historically carried stigma, Nextcloud’s engineering team maintains stringent static analysis tooling (Psalm, PHPStan level 8) and automated continuous integration.

The project maintains an OpenSSF Scorecard of 8.7. To maintain peak security hygiene, administrators should be cautious when installing unverified third-party apps from the Nextcloud App Store, as community extensions do not all receive equal security auditing. Operating Nextcloud with Redis memory caching, a tuned PostgreSQL database, and automated cron jobs guarantees robust performance. Nextcloud is rated Healthy at 92/100.

OPERATIONAL DOSSIER

Technical Specifications & Usage Profiles

DOC-ID: SOC-NEXTCLOUD
SEC-01What It's Used For

Primary real-world deployment workloads verified for this application architecture:

Enterprise-Grade Private Cloud Storage

Drop-in self-hosted replacement for Google Drive, Dropbox, and Box with automatic file sync clients.

Real-Time Document Collaboration

Co-edit spreadsheets, text documents, and presentations simultaneously using integrated Nextcloud Office (Collabora).

Integrated Calendar, Contacts & Webmail

Full CalDAV and CardDAV synchronization across iOS, Android, Thunderbird, and macOS devices.

End-to-End Encrypted Group Folders

Protect confidential business files with client-side zero-knowledge encrypted vaults and fine permissions.

SEC-02How to Deploy & Use It (3 Paths)

Select your target deployment tier. Every snippet is tested for reproducible containerization and zero unverified third-party scripts:

BEGINNER

Nextcloud AIO (All-in-One) Installer

⏱ Est: 15 minutesDocs↗

Launch the official Nextcloud All-in-One container management engine with one command.

docker run -d --sig-proxy=false --name nextcloud-aio-mastercontainer --restart always -p 80:80 -p 8080:8080 -p 443:443 -v nextcloud_aio_mastercontainer:/mnt/docker-aio-config -v /var/run/docker.sock:/var/run/docker.sock:ro nextcloud/all-in-one:latest
COMFORTABLE

Docker Compose with Redis & PostgreSQL

⏱ Est: 30 minutesDocs↗

Deploy Nextcloud FPM with Caddy/Nginx, dedicated Redis memory cache, and optimized PostgreSQL database.

docker compose -f docker-compose.yml up -d
DEVELOPER

Bare-Metal Apache/PHP 8.3 with Cron & OCC CLI

⏱ Est: 60 minutesDocs↗

Install PHP 8.3 FPM extensions, tune OPcache memory parameters, and automate system tasks via Linux systemd cron.

sudo -u www-data php /var/www/nextcloud/occ maintenance:install --database "pgsql" --database-name "nextcloud" --database-user "nextcloud" --admin-user "admin"
SEC-03Hardware & Runtime Requirements
MEMORY (RAM)
2 GB minimum (4 GB+ recommended with Nextcloud Office / Talk)
STORAGE ALLOCATION
100 GB+ storage for user files and database indices
PROCESSOR ARCH
2+ vCPUs recommended for responsive indexing and thumbnail generation
TESTED RUNTIME STACK
Docker / PHP 8.2+PostgreSQL or MariaDBRedisWeb server (Apache/Nginx/Caddy)
DIFFICULTY METERIntermediate Homelab
SEC-04Target Audience & Honest Limitations

Perfect For

  • •Small businesses and non-profits needing collaborative office tools without recurring Google Workspace or Office 365 licensing.
  • •Teams with privacy/regulatory compliance requirements (HIPAA, GDPR) requiring on-premise document storage.
  • •Homelab power users who want an all-in-one digital hub for files, notes, calendar, and task management.

Skip It If

  • •You only want a simple fast file sync server without heavy PHP apps (Seafile or Syncthing are much lighter).
  • •You have limited server resources (<1 GB RAM) or don’t want to manage regular database maintenance.
Algorithmic Breakdown

Safety Component Weights

Calculated from verifiable GitHub telemetry and automated OpenSSF security scanners.

Security Health & Supply Chain(×0.40)
93/100

Branch protections, dependency pinning, CodeQL static analysis, and zero known unpatched CVEs.

Maintenance & Commit Cadence(×0.25)
95/100

Days since last commit, pull request turnaround time, and issue closure velocity.

Community & Governance(×0.20)
94/100

Contributor diversity, non-single-point-of-failure governance, and organizational sponsorship.

Releases & Provenance(×0.15)
86/100

Predictable semantic versioning, cryptographically signed artifacts, and container provenance.

Score ProvenanceAlgorithmic derivation breakdown (required for >75)
Security Health 93 (35%) + Maintenance 95 (30%) + Community 94 (20%) + Releases 86 (15%) = 92

Risk Assessment & Operational Flags

2 flags
  • Substantial attack surface due to hundreds of community apps and plugins.
  • Requires frequent database index optimization and Redis caching on enterprise deployments.
Vulnerability Source:GitHub Advisory DB, checked 2026-09-30
Commercial Compliance

Can I use this commercially?

Yes, but mind network copyleft

Network copyleft. You CAN use this for internal enterprise operations. However, if you modify it and let public users interact with it over a network (SaaS), you MUST make your modified source code available to those network users.

Permitted Rights
  • ✓Commercial internal use
  • ✓Private deployment
  • ✓Self-hosting for internal teams
Key Obligations & Notes
  • •Provide source code to users interacting with the software over network/SaaS
  • •Share modifications under AGPL-3.0
SPDX Identifier: AGPL-3.0-onlyGNU Affero General Public License v3.0
Deployment Snippets

Quick Launch Command

Difficulty: Medium
docker run -d -p 8080:80 -v nextcloud:/var/www/html nextcloud
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Comparative Directory

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MAINTAINER TOOLKIT & BADGING

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