Vulnerability details
CVE-2026-56291
Actively exploited
balbooa.com Balbooa Forms extension for Joomla
Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1
CVSS 4.0
10.0Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 10.0Critical | 4.0 | CVEProject cvelistV5 (CNA) (Joomla) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| balbooa.com | balbooa.com Balbooa Forms extension for Joomla | 1.0-2.4.0 | CVEProject cvelistV5 (CNA) |
References and advisories
3- https://www.balbooa.com/joomla-forms product
- https://mysites.guru/blog/balbooa-forms-unauthenticated-file-upload-flaw/ third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56291 government-resource
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Details
- Published
- 2026-07-09
- Last updated
- 2026-08-12
- State
- Published
- Assigner (CNA)
- Joomla
- Kolun priority
- 79 · High
CISA KEV catalog
- Date added
- 2026-07-10
- Due date
- 2026-07-13
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
14.85%
Probability of exploitation in 30 days
96.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-434Unrestricted Upload of File with Dangerous Type