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CVE-2026-56291

Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension 2.4.1 - The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Scores

10.0
CVSS 10.0 out of 10, critical severity.
14.9%
EPSS 14.9% chance of exploitation in the next 30 days.

The facts

Published
9 July 2026
Last changed
24 July 2026
NVD status
Analyzed
Severity
Critical, CVSS 10.0 out of 10 (version 4.0)
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R…
Weakness
Affects
  • balbooa forms
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 10 July 2026.
EPSS
14.9% chance of exploitation activity in the next 30 days (percentile 97).

Is there a Securelyn advisory?

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References