Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0 (CVE-2026-61425) | HOL Guard CVE

Critical · CVSS 9.4CVE-2026-61425

Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0

Answer in brief

CVE-2026-61425 records a Critical severity (CVSS 9.4) vulnerability in Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0. The current sources do not mark it as known exploited. The current feed maps balbooa.com/Gridbox extension for Joomla (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 20, 2026Updated Aug 12, 2026Source checked Sep 26, 2026First seen by HOL Aug 12, 2026Material review Aug 12, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.4
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 9.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps balbooa.com/Gridbox extension for Joomla (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
balbooa.com/Gridbox extension for Joomlageneric	1.0.0-2.20.0.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for balbooa.com/Gridbox extension for Joomla.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jul 20, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 12, 2026

Sources and claim methodology

Upstream source description

Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0 - The Joomla extension Gridbox is vulnerable an authenticated bypass, potentially leading to full admin access.

Quoted source text, attributed separately from HOL analysis.