CVE-2026-66489

MEDIUM 5.3CVE-2026-66489 · Published 29/07/2026 · updated 23/10/2026

In short

CVE-2026-66489 is a MEDIUM (CVSS 5.3) vulnerability affecting gridbox (balbooa).
Chance of exploitation in the next 30 days (EPSS): 0.35%, higher than 28.3% of all vulnerabilities.
Fix: update to 2.20.2 or later.

Package	Affected versions	Patched versions
gridbox balbooa	`< 2.20.2`	`2.20.2`

Joomla Extension - balbooa.com - Various unauthenticated file system disclosure in Gridbox < 2.20.2

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