CVE-2026-39955 PUBLISHED

Cacti has Pre-Authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php

Assigner: GitHub_M
Reserved: 07.04.2026 Published: 24.06.2026 Updated: 25.06.2026

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have pre-authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php. This issue has been fixed in version 1.2.31.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Cacti
Product	cacti
Versions	Version < 1.2.31 is affected

References

https://github.com/Cacti/cacti/security/advisories/GHSA-gp82-qhrg-crv7
https://github.com/Cacti/cacti/commit/4c09efaebf3a9faec66969d0b5c4aceaf397f37f

Problem Types

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE