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CVE-2026-39899

MEDIUMCVSS 5.3/10EPSS 0.26%

Last modified

CVE-2026-39899 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.3/10

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

CVSS 4.0
6.9/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability
0.26%

17.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CactiCacti< 1.2.31

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-39899?
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.
How severe is CVE-2026-39899?
CVE-2026-39899 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2026-39899?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST