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TI-2026-40656 Aliases CVE-2026-56291GHSA-28f5-j5p5-xmmw

Unrestricted file upload in balbooa.com Balbooa Forms extension for Joomla

Priority CRITICAL 100Exploited in the wildCWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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 it matters now

Exploitation Active In CISA KEV since 2026-07-10CISA due date 2026-07-13
EPSS 0.14854 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Balbooabalbooa.com Balbooa Forms extension for Joomla1.0-2.4.0—No fix listedCNA
  • balbooa.com Balbooa Forms extension for Joomla VendorBalbooa Affected 1.0-2.4.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:balbooa:forms:*:*:*:*:*:joomla\!:*:*before 2.4.1VulnerableBalbooa
  • cpe:2.3:a:balbooa:forms:*:*:*:*:*:joomla\!:*:* Versions before 2.4.1 Vulnerable ·Balbooa

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-07-10 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2026-56291
  3. 2026-10-03 Alias added: GHSA-28f5-j5p5-xmmw

References

Exploit 1

Other 1

  • TI-2026-65394 Code injection in Balbooa Forms extension for Joomla CVSS 4.0CRITICAL 9.5
  • TI-2026-65393 Path traversal in Balbooa Forms extension for Joomla CVSS 4.0HIGH 8.9
  • TI-2026-65139 Cross-site scripting in Balbooa Forms extension for Joomla CVSS 4.0HIGH 8.6
  • TI-2026-65138 Path traversal in Balbooa Forms extension for Joomla CVSS 4.0MEDIUM 6.9
  • TI-2026-65137 Authorization bypass in Balbooa Forms extension for Joomla CVSS 4.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences