Which products and versions are affected by CVE-2026-57827?

Affected: Rsfiles\! (Rsjoomla); rsjoomla.com RSFiles extension for Joomla versions >= 1.0-1.17.11. The full list is in the CVE brief.

Is CVE-2026-57827 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-57827 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-57827?

No public exploit code is known.

Is there a fix for CVE-2026-57827?

Fixed versions are available, including Rsfiles\! 1.17.12.

How urgently should CVE-2026-57827 be patched?

Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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Vulnerability Intelligence

CVE-2026-57827

Critical

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

Published Jul 11, 2026 · Updated Aug 12, 2026 · Also known as EUVD-2026-43168, GHSA-7q98-wg4p-5v7g

Key Facts

Patch in the next maintenance window

CVE-2026-57827 is a critical-severity vulnerability (CVSS 10.0 v4) affecting Rsfiles\! (Rsjoomla), rsjoomla.com RSFiles extension for Joomla.
It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
EPSS estimates a 2.3% probability of exploitation in the next 30 days.
Fixed versions are available, including Rsfiles\! 1.17.12.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

CVSS v4

10.0

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

EPSS (30-day exploit likelihood)

2.3%

Higher than 83.2% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

Get the full CVE-2026-57827 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
Rsfiles\!Rsjoomla	See advisory	1.17.12
rsjoomla.com RSFiles extension for Joomla	>= 1.0-1.17.11	n/a

Patched Releases

Rsfiles\!

1.17.12

Timeline

Publicly disclosed
Jul 11, 2026
Last updated
Aug 12, 2026

Weakness Type

CWE-434 Unrestricted Upload of File with Dangerous Type

References

FAQ

Common Questions.

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.
Affected: Rsfiles\! (Rsjoomla); rsjoomla.com RSFiles extension for Joomla versions >= 1.0-1.17.11. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Rsfiles\! 1.17.12.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.

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