Vulnerability Description
Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have SQL Injection through unsanitized unserialize+implode in managers.php. At line 756 of managers.php, the application assigns $selected_items by calling cacti_unserialize(stripslashes(gnrv('selected_graphs_array'))). The cacti_unserialize() function calls unserialize() with allowed_classes set to false, which prevents object injection but still allows arbitrary string arrays to be deserialized. Then, at lines 760 to 766, the deserialized array values are passed directly into db_execute('DELETE FROM snmpagent_managers WHERE id IN (' . implode(',', $selected_items) . ')'), where they are imploded into the SQL statement without any integer validation, resulting in SQL Injection when using SNMP agent management permissions. This issue has been fixed in version 1.2.31.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/Cacti/cacti/releases/tag/release%2F1.2.31
- https://github.com/Cacti/cacti/security/advisories/GHSA-j9jv-6xjq-9hhj
- https://github.com/Cacti/cacti/security/advisories/GHSA-j9jv-6xjq-9hhj
FAQ
What is CVE-2026-40083?
CVE-2026-40083 is a vulnerability with a CVSS score of 7.2 (HIGH). Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have SQL Injection through unsanitized unserialize+implode in managers.php. At line 756 of managers.php, ...
How severe is CVE-2026-40083?
CVE-2026-40083 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-40083?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.