Summary
generated automatically from NVD dataCVE-2026-56291 affects the Balbooa Forms extension for Joomla in versions before 2.4.1. It is an unauthenticated arbitrary file upload flaw (CWE-434) that lets a remote attacker upload executable files, which can lead to full remote code execution. The issue carries a CVSS v3.1 score of 9.8 (CRITICAL), and it is listed in the CISA KEV catalog, meaning it is actively exploited.
NVD 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.
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-07-10. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-07-13
EPSS · FIRST.org
14.9%probability of exploitation in the next 30 days
Higher than 96% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 9 juil. 2026
- Updated
- 24 juil. 2026
- Status
- Analyzed
- Source
- security@joomla.org
Affected products
Weaknesses (CWE)
References (3)
- https://mysites.guru/blog/balbooa-forms-unauthenticated-file-upload-flaw/ExploitThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56291US Government Resource
Similar CVEs
Other vulnerabilities of type CWE-434
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