CVE-2026-39902 — Cacti: Authenticated RCE on Data Input
Cacti is an open source performance and fault management framework. Prior to version 1.2.31, the prior blocklist ([;&| `$\\n\r]) omitted single-quote, double-quote, redirect ope…
Published: 2026-10-23 · CVSS: 7.2 · CVSS 3.1
Cacti is an open source performance and fault management framework. Prior to version 1.2.31, the prior blocklist ([;&| `$\\n\r]) omitted single-quote, double-quote, redirect operators, subshell parens and braces. An authenticated admin could save an input_string` containing single-quote, redirect operator, or subshell parens, and pass the check. This issue has been patched in version 1.2.31.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7