CVE-2026-40084

A flaw was found in Cacti. This Path Traversal vulnerability in the Report formatfile parameter allows a remote attacker to read arbitrary files from the filesystem. The system stores an unvalidated file path, which is later used to access files, leading to information disclosure...

CVE-2026-40084 Cacti: Arbitrary File Read via Path Traversal in Report `format_file` Parameter

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Path Traversal through the Report formatfile Parameter, causing arbitrary file read. This vulnerability occurs in two stages. In the first stage stored injection, lib/htmlreports.php at...