CVE-2026-57827 Joomla Extension - rsjoomla.com - Unauthenticated file upload in RSFiles component < 1.17.12

Critical 10.0 Published Updated

Unauthenticated attackers can upload executable files to the RSFiles Joomla extension, leading to remote code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-57827?

CVE-2026-57827 is a critical vulnerability in rsjoomla.com RSFiles extension for Joomla, published on 11 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2026-57827?

It affects 1 product.

Products include Rsjoomla Rsfiles\!.

How do I fix CVE-2026-57827?

No fix has been published for CVE-2026-57827 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-57827 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-57827 exists.

Public exploit code: 1 Nuclei template and 4 proofs of concept on GitHub.

Sources

Also known as GHSA-7q98-wg4p-5v7g.

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