CVE-2026-107129: balbooa Gridbox unauthenticated arbitrary file deletion via path traversal

CVE-2026-107129 · Severity: info · Published 2026-11-05

Gridbox is a website builder extension for the Joomla CMS that allows users to create and manage websites visually. An unauthenticated attacker can exploit a path traversal vulnerability to delete arbitrary files from the server without requiring login credentials, potentially causing data loss and service disruption.

Technologies: Balbooa Gridbox. Vendors: Balbooa.

Quick answers

Is CVE-2026-107129 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-107129 being exploited in the wild.
How severe is CVE-2026-107129?
Informational severity, published 5 November 2026.
Which products and versions are affected?
Balbooa Gridbox < 2.20.5.0.
Is there a fix for CVE-2026-107129?
Yes: fixed in Gridbox 2.20.5.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-107129 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-107129?
Check whether you run Balbooa Gridbox at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: Gridbox 2.20.5.0

Technical details

The vulnerability is an unauthenticated arbitrary file deletion flaw resulting from insufficient path traversal validation in Gridbox versions below 2.20.5.0. An attacker can craft malicious requests to bypass access controls and delete files on the server. The flaw requires only network access with no authentication or user interaction needed.

Affected products

  • balbooa Gridbox < 2.20.5.0

Timeline

  • 2026-11-05: disclosed

References

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