{"id":"CVE-2026-40079","summary":"Cacti: Command Injection via escape_command() no-op in RRDtool execution","details":"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.","aliases":["GHSA-xq98-376r-hv9j"],"modified":"2026-07-08T08:13:12.532027045Z","published":"2026-06-24T23:26:40.623Z","database_specific":{"cwe_ids":["CWE-78","CWE-88"],"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40079.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40079.json"},{"type":"ADVISORY","url":"https://github.com/Cacti/cacti/security/advisories/GHSA-xq98-376r-hv9j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40079"},{"type":"FIX","url":"https://github.com/Cacti/cacti/commit/4c09efaebf3a9faec66969d0b5c4aceaf397f37f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/cacti/cacti","events":[{"introduced":"0"},{"fixed":"1e8eaca26b84b128c39ce8cc8ece42d7ff76aac1"},{"fixed":"4c09efaebf3a9faec66969d0b5c4aceaf397f37f"}],"database_specific":{"cpe":"cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.2.31"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["release/1.2.30","release/1.2.29","release/1.2.28","release/1.2.27","release/1.2.26","release/1.2.25","release/1.2.24","release/1.2.23","release/1.2.22","release/1.2.21","release/1.2.20","release/1.2.19","releaes/1.2.19","release/1.2.18","release/1.2.17","release/1.2.16","release/1.2.15","release/1.2.14","release/1.2.13","release/1.2.12","release/1.2.11","release/1.2.10","release/1.2.9","release/1.2.8","release/1.2.7","release/1.2.6","release/1.2.5","release/1.2.4","release/1.2.3","release/1.2.2","release/1.2.1","release/1.2.0","release/1.1.38","release/1.1.37","release/1.1.36","release/1.1.35","release/1.1.34","release/1.1.33","release/1.1.32","release/1.1.31","release/1.1.30","release/1.1.29","release/1.1.28","release/1.1.27","release/1.1.26","release/1.1.25","release/1.1.24","release/1.1.23","release/1.1.22","release/1.1.21","release/1.1.20","release/1.1.19","release/1.1.18","release/1.1.17","release/1.1.16","release/1.1.15","release/1.1.14","release/1.1.13","release/1.1.12","release/1.1.11","release/1.1.8","release/1.1.7","release/1.1.6","release/1.1.5","release/1.1.4","release/1.1.3","release/1.1.2","release/1.1.1","release/1.1.0","release/1.0.6","release/1.0.5","release/1.0.4","release/1.0.3","release/1.0.2","release/1.0.1","release/1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40079.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L"}]}