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Caddy Web Server Review

Worth it

Should I use Caddy Web Server?

Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go - caddyserver.com

· 1 month ago

Buy if you self-host or run small-to-medium sites and want HTTPS without cert hassle. Avoid if you run super high-traffic infrastructure or need vendor SLAs.

Confidence

Medium. Based on 40+ public sources; no formal review ratings found, so confidence is medium.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Caddy (open source)

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • Self-hosters and homelabs
  • Small-to-medium websites
  • Reverse proxy with auto-HTTPS
  • Solo devs tired of nginx config

Not for

  • Super high-traffic platforms (scale questioned by users)
  • Enterprises needing vendor SLAs or support contracts
  • Teams with deep nginx investment (switching cost, no payoff)
  • Buyers wanting a managed or hosted service

Gotchas - check before you buy

medium

Plugins extend attack surface: Trail of Bits found 10 flaws in one SSO plugin

medium

No SLA or paid support; you depend on community forums in production incidents

medium

Maintainership bottleneck reported Oct 2025; project sustainability in question

low

AWS/Azure Marketplace 'Caddy' images are paid third-party bundles, not official pricing

Pros and cons

Pros

  • Automatic HTTPS and TLS enabled by default
  • One dependency-free Go binary; simple deployment
  • Free and open source, no licensing costs
  • Web server and reverse proxy in one tool
  • Self-hosters widely recommend it over nginx/apache

Cons

  • Users question suitability for super high-traffic sites
  • No vendor support; project relies on sponsors
  • Maintainership bottlenecks reported, October 2025
  • Third-party plugins can add security risk

Sources & method

- 10 sources - HTTPS-secure by default, but multiple CVEs published 2022–2026; one finding disputed; third-party plugins add risk.

official x3review x2security x3news x2
  • CVE-2026-27589 — CSRF vulnerability, Classified CWE-352 cross-site request forgery, published February 2026.
  • CVE-2026-30851 — Improper authentication, Authentication flaw; Acunetix also lists a related auth-bypass-by-spoofing entry.
  • CVE-2022-28923 — Open redirect, Open redirect vulnerability; later analysis disputed its severity.
  • SSO plugin flaws (2023), Trail of Bits found 10 vulnerabilities in a third-party SSO plugin for Caddy.

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 5/5. Free, open source, no license fees
  • Ease of use: 5/5. Automatic HTTPS; users call it magic
  • Feature depth: 4/5. HTTP/1-2-3, reverse proxy, extensible modules
  • Support quality: 2/5. Community-only; maintainership bottleneck reported
  • Security posture: 3/5. Secure defaults, but multiple published CVEs
  • $0 Price Open source, sponsor-funded
  • Yes Free tier All features free
  • Tens of thousands of domains Reported scale Community-reported HTTPS deployments
  • 3 Numbered CVEs in sources 2022–2026, incl. CSRF and auth issues

Pricing

Caddy (open source)

$0

  • Automatic HTTPS
  • HTTP/1, 2, 3 and reverse proxy
  • Community support only

Security

HTTPS-secure by default, but multiple CVEs published 2022–2026; one finding disputed; third-party plugins add risk.

  • CVE-2026-27589 — CSRF vulnerabilityClassified CWE-352 cross-site request forgery, published February 2026.⁸
  • CVE-2026-30851 — Improper authenticationAuthentication flaw; Acunetix also lists a related auth-bypass-by-spoofing entry.⁹
  • CVE-2022-28923 — Open redirectOpen redirect vulnerability; later analysis disputed its severity.
  • SSO plugin flaws (2023)Trail of Bits found 10 vulnerabilities in a third-party SSO plugin for Caddy.10

What users say

Reddit users overwhelmingly praise Caddy's simplicity and automatic HTTPS as an nginx/apache replacement for self-hosting.

“Caddy Web server is awesome. stop using apache and…”
Reddit, r/selfhosted
“Caddy is magic. Change my mind”
Reddit, r/selfhosted
“I started self hosting recently, and I used Caddy v2”
Reddit, r/selfhosted
Full analysis

Based on 40+ public sources; no formal review ratings found, so confidence is medium.

Free open-source web server with automatic HTTPS; great for self-hosters, risky bet for high-traffic or SLA-needing shops.

Methodology

Based on 40+ public sources; no formal review ratings found, so confidence is medium.

Read how a report is made.

Sources

  1. Caddy — official sitecaddyserver.com
    official
  2. caddyserver/caddy on GitHubgithub.com
    official
  3. Sponsor the Caddy Projectcaddyserver.com
    official
  4. Caddy offers TLS, HTTPS in one dependency-free Go server — Ars Technicaarstechnica.com
    news
  5. Caddy maintainership bottleneck — BigGo Financefinance.biggo.com
    news
  6. Has anyone tried Caddy? — Linux Communitylinuxcommunity.io
    review
  7. Caddy is awesome, stop using apache/nginx — Redditreddit.com
    review
  8. CVE-2026-27589 CSRF — SentinelOnesentinelone.com
    security
  9. CVE-2026-30851 improper authentication — Acunetixacunetix.com
    security
  10. Security flaws in an SSO plugin for Caddy — Trail of Bitsblog.trailofbits.com
    security

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