CVE-2026-56291 (GCVE-0-2026-56291)

Vulnerability from cvelistv5 – Published: 2026-07-09 09:53 – Updated: 2026-07-10 19:58
VLAI CISA KEVIntel
Title
Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1
Summary
The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
Impacted products
Credits
Phil Taylor
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2026-56291

Status: Confirmed

Status Updated: 2026-07-10 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2026-07-10
Asserted: 2026-07-10

Scope
Notes: Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability | Affected: Balbooa / Forms | Description: Balbooa Forms contains an unrestricted upload of file with dangerous type vulnerability that allows an unauthenticated arbitrary file upload which could allow uploading of executable files leading to full RCE. | Required action: 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. | Due date: 2026-07-13 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.balbooa.com/joomla-forms ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-56291

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-434
Feed CISA Known Exploited Vulnerabilities Catalog
Product Forms
Due Date 2026-07-13
Date Added 2026-07-10
Vendorproject Balbooa
Vulnerabilityname Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-07-10 18:00 UTC | Updated: 2026-07-10 18:00 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2026-56291

Status: Confirmed

Status Updated: 2026-07-10 17:00 UTC

Exploited: Yes


Timestamps
First Seen: 2026-07-10
Asserted: 2026-07-10

Scope
Notes: Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1 | Affected: balbooa.com / balbooa.com Balbooa Forms extension for Joomla | CVSS: 10.0 (CRITICAL) | EPSS: 0.00278 | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1
Vendor balbooa.com
Product balbooa.com Balbooa Forms extension for Joomla
Added Date 2026-07-10T17:00:25.732Z
Cvss Score 10.0
Epss Score 0.00278
Cvss Severity CRITICAL
Epss Percentile 0.19623
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-07-10 18:00 UTC | Updated: 2026-07-10 18:00 UTC
Show details on NVD website

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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