PatchTheCVECVE-2026-56291: Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability
CVE-2026-56291 is a critical-severity flaw (CVSS 9.8) affecting forms, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- EPSS top 3%: very likely to be exploited
- Exploited in the wild (CISA KEV)
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 14.9% (top 3%) |
| CISA exploited list | Yes, fix due 2026-07-13 |
| Weakness | CWE-434 |
| Published | 2026-07-09 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: Balbooa Forms < 2.4.1 - Unauthenticated Arbitrary File Upload
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-56291?
forms: upgrade to 2.4.1. Exact commands for each OS are on this page.
Is CVE-2026-56291 being exploited?
Yes. CVE-2026-56291 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2026-56291 affect?
CVE-2026-56291 affects forms. Severity is critical (CVSS 9.8). 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
How urgent is CVE-2026-56291?
Priority 93/100. Critical severity; EPSS top 3%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; Remotely exploitable, no login, no user action