cacti: Cacti is an open source performance and fault management framework
CVE-2026-40079 is fixed in cacti on 1 platform by DEBIAN-CVE-2026-40079 (version 1.2.31+ds1-1), released July 14, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Command Injection due to lack of sanitization in the escape_command() function. The escape_command() function at lib/rrd.php is a no-op: it returns $command unchanged. The command line built by rrdtool_function_graph() is passed through this function and then to shell_exec($full_commandline). The risk is in __rrd_execute() where text_format values from graph templates (which may contain host variable substitutions) reach shell_exec without adequate escaping. This issue has been addressed in version 1.2.31.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cacti · Debian 14 | 1.2.31+ds1-1 | DEBIAN-CVE-2026-40079 | Jul 14, 2026 |
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