CVE-2026-65887: gridbox before 2.20.2 (exclusive); +1 more affected products

CVE-2026-65887. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.00517 (percentile 0.43154), scored 22-Oct-2026.

Affected technology

gridbox · before 2.20.2 (exclusive)
balbooa

Gridbox extension for Joomla · 1.0.0-2.20.1
balbooa.com

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 10.0/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-284
CCR priority: 39.3 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00517 · percentile 0.43154 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-65887.html