CVE-2026-39938 | Cacti is an open source performance and fault management fra… | CVSS 9.8 CRITICAL

Description

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have unauthenticated LFI through graph_theme and rrdtool IPC serialization hardening. This issue has been resolved in version 1.2.31.

Metadata

CVE ID: CVE-2026-39938
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-04-07 22:40 UTC
Published: 2026-06-24 22:41 UTC
Last updated: 2026-06-24 22:41 UTC
Primary CWE: CWE-22
CWE-22: Improper Limitation of a Pathname to a Restricted Di…
Vendor / Product: Cacti / cacti
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
Cacti	cacti	—	< 1.2.31

Weakness (CWE)

CWE	Source	Description
CWE-22	cna	CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-78	cna	CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (2)

https://github.com/Cacti/cacti/security/advisories/GHSA-rm7p-qcqm-x5m6 https://github.com/Cacti/cacti/security/advisories/GHSA-rm7p-qcqm-x5m6
https://github.com/Cacti/cacti/commit/9871f0cef9af285398d558c9b3188d5977e01a04 https://github.com/Cacti/cacti/commit/9871f0cef9af285398d558c9b3188d5977e01a04