# CVE-2026-57827

## Summary

- **CVE ID:** CVE-2026-57827
- **Severity:** CRITICAL
- **CVSS Score:** 10 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red)
- **CWE:** CWE-434
- **Published:** Jul 11, 2026
- **Last Modified:** Aug 12, 2026

## Description

The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

## Affected Products

- rsjoomla.com — rsjoomla.com RSFiles extension for Joomla (1.0-1.17.11)

## References

- [CNA](https://www.rsjoomla.com/joomla-extensions/joomla-download-manager.html)
- [CNA](https://mysites.guru/blog/rsfiles-unauthenticated-file-upload-rce/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 2.33%
- **EPSS Percentile:** 82.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._