Vulnerabilities

CVE-2026-56291

Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1

Actively exploited (CISA KEV) Critical 10.0 CVSS 4.0

Description

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.

Description as published by the source, in English.

Key facts

Published
2026-07-09
Last modified
2026-08-12
Assigned by
Joomla
CVSS vector
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
Scored by
CVE Program
Probability of exploitation
76.1 % higher than 99 % of all known vulnerabilities
EPSS, next 30 days, model v2026.06.15
Fix available
Not registered in the sources

Actively exploited

CISA added this vulnerability to the Known Exploited Vulnerabilities catalogue on 2026-07-10, with a remediation deadline of 2026-07-13 for US federal agencies.

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Affected products

Vendor Product Versions Status
balbooa.com balbooa.com Balbooa Forms extension for Joomla 1.0-2.4.0 Affected

Weakness type

Attack techniques

Derived through the weakness type: CVE to CWE to CAPEC to ATT&CK. This shows which techniques the weakness class is historically used for. It does not assert that this vulnerability has been exploited that way.

  • T1574.010: Services File Permissions Weakness stealth, execution

References

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