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Actively exploitedCVSS 9.8 · CRITICAL

CVE-2026-56291

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.

View on NVD

Analysis

Balbooa Forms for Joomla is vulnerable to an unauthenticated arbitrary file upload that leads to full Remote Code Execution (RCE). If you are using this specific extension, you should update to the latest version immediately to prevent complete site takeover.

Relevant roles

PhpBackendCyberSecurityCloudLinux

Severity

Score: 9.8(CRITICAL)
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV: NETWORK
AC: LOW
PR: NONE
UI: NONE
S: UNCHANGED
C: HIGH
I: HIGH
A: HIGH
Weakness (CWE): CWE-434

CISA KEV

Added to KEV: 2026-07-10
Federal patch deadline: 2026-07-13
Known ransomware use: Unknown
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.

EPSS

Probability of exploitation (next 30 days): 0.0028 (0.3%)
Percentile: 19.6%
EPSS: 2026-07-10

Affects

balbooa:forms

Technical description

The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Published: 7/9/2026, 11:16:40 AM
Last modified: 7/10/2026, 7:12:13 PM

References

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