Vulnerability · Published Jul 20, 2026 · Assigned by Joomla
CVE-2026-61425Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0
Critical 9.4
In plain English
A critical-severity authentication bypass in Gridbox extension for Joomla from balbooa.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 4.0)9.4Critical
Exploit odds (30 days)0.6%top 52.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| balbooa.com | Gridbox extension for Joomla | 1.0.0-2.20.0.2 |
Weakness: CWE-288 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References
- https://www.balbooa.com/gridbox product
- https://mysites.guru/blog/gridbox-critical-authentication-bypass/ third-party-advisory