CVE-2026-56291 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-56291CRITICAL

balbooa.com balbooa.com Balbooa Forms extension for Joomla — Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   H   H   10.0   .7607   99.5   YES

AFFECTED
  Product                                         Versions     Fixed
  balbooa.com Balbooa Forms extension for Joomla  1.0-2.4.0 –  —

TIMELINE
  Jun 20  Reserved by Joomla
  Jul 10  EXPLOIT PUBLISHED — CVE-2026-56291 (balbooa.com Balbooa Forms extension for Joomla). Public exploit reference added.
  Jul 10  Added to CISA KEV, remediation due 2026-07-13
  Jul 10  Published (CNA: Joomla)
  Jul 14  DUE DATE PASSED — CVE-2026-56291 (balbooa.com Balbooa Forms extension for Joomla). CISA remediation deadline was July 13, 2026; still in catalog.
  Jul 24  EXPLOIT PUBLISHED — CVE-2026-56291 (balbooa.com Balbooa Forms extension for Joomla). Public exploit reference added.

CWE-434 · CNA: Joomla · CVSS v4.0 · 3 references · NVD status: Analyzed · KEV due July 13, 2026

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.

Lifecycle

Complete event history — 6 events, chronological
Date	Event	Detail
June 20, 2026	Reserved	Reserved by Joomla
July 10, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-56291 (balbooa.com Balbooa Forms extension for Joomla). Public exploit reference added.
July 10, 2026	KEV ADDED	Added to CISA KEV, remediation due 2026-07-13
July 10, 2026	Published	Published (CNA: Joomla)
July 14, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-56291 (balbooa.com Balbooa Forms extension for Joomla). CISA remediation deadline was July 13, 2026; still in catalog.
July 24, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-56291 (balbooa.com Balbooa Forms extension for Joomla). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
balbooa.com	balbooa.com Balbooa Forms extension for Joomla	—	1.0-2.4.0	—

Weaknesses

CWE-434

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]

Authoritative record: CVE-2026-56291 at cve.org

Vendors: balbooa.com

Weaknesses: CWE-434

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-56291 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.