{"id":"CVE-2026-40084","summary":"Cacti: Arbitrary File Read via Path Traversal in Report `format_file` Parameter","details":"Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Path Traversal  through the Report format_file Parameter, causing arbitrary file read. This vulnerability occurs in two stages. In the first stage (stored injection), lib/html_reports.php at line 283 stores $save['format_file'] =  $post['format_file'] directly into the database without any validation. In the second stage (file read), lib/reports.php at line 667 concatenates  CACTI_PATH_FORMATS . '/' . $format_file, and line 670 then calls file($format_file), reading arbitrary files from the filesystem. This issue has been fixed in version 1.2.31.","aliases":["GHSA-mjvw-mhj5-9jcj"],"modified":"2026-07-08T08:05:08.970452849Z","published":"2026-06-25T22:43:47.441Z","database_specific":{"cwe_ids":["CWE-22"],"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40084.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40084.json"},{"type":"ADVISORY","url":"https://github.com/Cacti/cacti/security/advisories/GHSA-mjvw-mhj5-9jcj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40084"},{"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-2026-40084.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}