CVE-2026-39893

Cacti is an open source performance and fault management framework. In versions 1.2.30 and prior, the rfilter request variable was concatenated into a RLIKE SQL clause without sanitization. The endpoint does not require authentication (graph viewing supports guest access via the configured guest user), so the SQLi was reachable pre-auth on installs with guest viewing enabled. This issue was fixed in version 1.2.31.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/Cacti/cacti/pull/7039	Issue Tracking Patch
https://github.com/Cacti/cacti/security/advisories/GHSA-69gg-mjfm-jjpc	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-24 22:16

Updated : 2026-06-26 05:16

NVD link : CVE-2026-39893

Mitre link : CVE-2026-39893

CVE.ORG link : CVE-2026-39893

JSON object : View

Products Affected

cacti

cacti

CWE

CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

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