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CVE-2026-57827

Rsjoomla Rsfiles! unrestricted file upload

9.8 CRITICALPublic exploitEPSS 2.33%
  1. Published11 Jul 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Rsjoomla Rsfiles!< 1.17.12

Remediation

Fixed in
Rsjoomla Rsfiles!≥ 1.17.12

References

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Frequently asked

Is CVE-2026-57827 being actively exploited?

CVE-2026-57827 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 2.33%.

How severe is CVE-2026-57827?

CVE-2026-57827 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.33% probability of exploitation.

Which products are affected by CVE-2026-57827?

Affected products include Rsjoomla Rsfiles!.

How do I fix CVE-2026-57827?

Upgrade affected software to a fixed version, for example Rsjoomla Rsfiles! 1.17.12 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-57827 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.