CRITICALVulnerability
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NVD CRITICAL: CVE-2026-40079 — Cacti is an open source performance and fault management framework. Versions 1.2...

·Source: NIST NVD

Updated:

Executive Summary

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_commandl

Analysis

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. CVSS Score: 9.8. Published: 2026-06-25T00:17:47.570.

Indicators of Compromise (1)

CVE (1)
CVE-2026-40079
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jun 25, 2026. Verified by: NIST.

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