Raytha
Depends
Confidence: Medium
A fit for .NET teams who can self-host, audit code, and patch fast . the core is free and capable.
New check
Comparison
Raytha vs Umbraco
Raytha and Umbraco both land on Depends.
Umbraco
Depends
Confidence: High
Buy it if you have .NET developers and need a flexible, multi-site or headless CMS . the open-source core is free and battle-tested.
| Compare | ||
|---|---|---|
| Verdict | Depends | Depends |
| Best for | .NET/C# developer teams | .NET developer teams |
| Who it's not for | Non-technical teams wanting a set-and-forget website | No-code marketers wanting a DIY site builder |
| Privacy | Poor record: 10+ CVEs published 2025-2026, including RCE and SQL injection.⁶ | Actively patched open-source CMS with several published CVEs in 2025-2026; fixes ship via advisories. |
| Support quality | Paid support offered; very small vendor team | Paid support sold; Cloud complaints on Reddit |
| Public sentiment | Reddit activity is mostly the founder's own launch and release announcements; no independent review ratings were found.⁹ | G2 users praise flexibility and long-term value, while Reddit opinion splits sharply on Umbraco Cloud hosting. |
| Biggest gotcha | CVE-2025-15540 is remote code execution via the built-in functions feature . patch or disable immediately.⁶ | Reddit thread titled 'Umbraco Cloud - Avoid like the plague' targets the hosting, not the CMS15 |
Pick Raytha when
- .NET/C# developer teams
- Nonprofit associations
- Self-hosters wanting a lean Umbraco alternative
When Raytha is not a fit
- Non-technical teams wanting a set-and-forget website
- Orgs with nobody to patch CVEs quickly
- High-security or public-facing regulated deployments
- Buyers expecting a WordPress-size plugin ecosystem
Pick Umbraco when
- .NET developer teams
- Multi-site enterprises
- Content-heavy marketing sites
- Headless CMS projects
When Umbraco is not a fit
- No-code marketers wanting a DIY site builder
- Simple brochure or blog sites . massively overkill
- Teams without .NET or Windows dev resources
- Buyers wanting fuss-free managed hosting (Cloud backlash)
Sources
- Raytha official siteraytha.comofficial
- Raytha GitHub repositorygithub.comofficial
- Raytha professional support pageraytha.comofficial
- Raytha roles and permissions guideraytha.comofficial
- Deploy Raytha on Railwayrailway.comofficial
- CVE-2025-15540: Raytha CMS RCE (SentinelOne)sentinelone.comsecurity
- CVE-2026-12076: Raytha SQL injection (SentinelOne)sentinelone.comsecurity
- Raytha CVE tracker (OpenCVE)app.opencve.iosecurity
- Raytha on Reddit r/dotnetreddit.comreview
- Raytha Crunchbase profilecrunchbase.comnews
- Raytha alternatives (AlternativeTo)alternativeto.netreview
- Umbraco CMS - official siteumbraco.comofficial
review
- G2 Winter 2026 Leader announcementumbraco.comofficial
review