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.
Fix
Public exploits 5
- 0xdenis77/CVE-2026-56291 PoC on GitHub
- ChiefYoru/CVE-2026-56291_PoC PoC on GitHub
- rimbadirgantara/CVE-2026-56291.yaml PoC on GitHub
- shinthink/CVE-2026-56291 PoC on GitHub
- theendofabbys/CVE-2026-56291 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
CISA KEV required action · due 2026-07-13
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.
Added to the catalog 2026-07-10. CISA KEV
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 10.0 · in KEV · balbooaNVD modified 2026-10-25 17:10
Affected (CPE criteria) 1
cpe:2.3:a:balbooa:forms:*:*:*:*:*:joomla\!:*:*
References 3
- https://mysites.guru/blog/balbooa-forms-unauthenticated-file-upload-flaw/ Exploit, Third Party Advisory
- https://www.balbooa.com/joomla-forms Product
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56291 US Government Resource