CVE-2026-56291

CRITICAL

CVSS v4.0: 10.0

NetworkNo privilegesNo user interactionUnrestricted Upload

Source data as of:

At a glance

Severity
CRITICAL
CVSS
10.0 v4.0 · NVD
EPSS
EPSS not provided by FIRST.org for this CVE
CISA KEV
No
Type
Unrestricted Upload · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Published
2026-07-09 · Modified: 2026-07-09
References
Jump to references (2)

CVSS / EPSS / KEV

CVSS v4.0 10.0 / 10 CRITICAL Source: NVD
EPSS — EPSS not provided by FIRST.org for this CVE Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

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

Record details

CVE ID
CVE-2026-56291
CVSS (v4.0)
10.0 (CRITICAL)
Vector
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red
CISA KEV
No
Weakness (CWE)
CWE-434
Affected configurations (CPE)
0
Published
2026-07-09
Modified
2026-07-09
Status
Awaiting Analysis

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-14894 CRITICAL CVSS 9.8 CVE-2026-15158 CRITICAL CVSS 9.8 CVE-2026-13430 HIGH CVSS 7.2 CVE-2026-43752 MEDIUM CVSS 4.9

Published the same year

CVE-2026-46595 CRITICAL CVSS 10.0 CVE-2026-48316 CRITICAL CVSS 10.0 CVE-2026-50086 CRITICAL CVSS 10.0 CVE-2026-50746 CRITICAL CVSS 10.0
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