CVE-2026-39899: Cacti: Path Traversal via filename parameter in package_import.php

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-24 · updated 2026-06-26
Weakness: CWE-22

Description

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Path Traversal via filename parameter in package_import.php. This issue has been fixed in version 1.2.31.

Affected products

cacti: before 1.2.31 — fixed in 1.2.31

How to fix

Upgrade to a fixed version: cacti 1.2.31. Check the vendor advisory for mitigations.

References

https://github.com/Cacti/cacti/pull/6899
https://github.com/Cacti/cacti/security/advisories/GHSA-pr9x-34w8-4mf7

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