CVE-2026-57827 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-57827CRITICAL

rsjoomla.com rsjoomla.com RSFiles extension for Joomla — Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   H   H   10.0   .0160   73.9     —

AFFECTED
  Product                                    Versions       Fixed
  rsjoomla.com RSFiles extension for Joomla  1.0-1.17.11 –  —

TIMELINE
  Jun 25  Reserved by Joomla
  Jul 11  EXPLOIT PUBLISHED — CVE-2026-57827 (rsjoomla.com RSFiles extension for Joomla). Public exploit reference added.
  Jul 11  Published (CNA: Joomla)
  Jul 23  EXPLOIT PUBLISHED — CVE-2026-57827 (rsjoomla.com RSFiles extension for Joomla). Public exploit reference added.

CWE-434 · CNA: Joomla · CVSS v4.0 · 2 references · NVD status: Modified

Description

Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12 - The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
June 25, 2026	Reserved	Reserved by Joomla
July 11, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-57827 (rsjoomla.com RSFiles extension for Joomla). Public exploit reference added.
July 11, 2026	Published	Published (CNA: Joomla)
July 23, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-57827 (rsjoomla.com RSFiles extension for Joomla). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
rsjoomla.com	rsjoomla.com RSFiles extension for Joomla	—	1.0-1.17.11	—

Weaknesses

CWE-434

References (2)

https://mysites.guru/blog/rsfiles-unauthenticated-file-upload-rce/ [Exploit, Third Party Advisory]
https://www.rsjoomla.com/joomla-extensions/joomla-download-manager.html [Product]

Authoritative record: CVE-2026-57827 at cve.org

Vendors: rsjoomla.com

Weaknesses: CWE-434

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-57827 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.