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CVE-2026-65889

9.2
Critical
EPSS 0.29%Patch availableJul 29, 2026

Unauthenticated recursive directory deletion in Balbooa Joomla extension (<2.20.2).

common questions

Is CVE-2026-65889 being exploited?

Not confirmed. CVE-2026-65889 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.29% probability of exploitation in the next 30 days.

How severe is CVE-2026-65889?

CVE-2026-65889 is rated Critical with a CVSS score of 9.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-65889?

Yes. A fix has been recorded for CVE-2026-65889. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-65889 affect?

CVE-2026-65889 affects Balbooa Joomla extensions < 2.20.2, Joomla websites using Balbooa components. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-65889?

Upgrade Balbooa extension to 2.20.2+ immediately; or disable/remove and restore from backups; restrict file permissions.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Balbooa Joomla extensions < 2.20.2Joomla websites using Balbooa components
impact

Unauthenticated attacker can recursively delete website directories/files, causing data loss, site outage, and recovery costs.

action required

Immediate action required

affected versions
balbooa.com Gridbox extension for Joomla
  • affected1.0.0-2.20.1

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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