What is CVE-2026-39899?

CVE-2026-39899 is a medium-severity vulnerability in Cacti, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-06-24.

How severe is CVE-2026-39899?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Path Traversal in Cacti

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Cacti — versions < 1.2.31

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2026-39899?: CVE-2026-39899 is a medium-severity vulnerability in Cacti, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-06-24.
How severe is CVE-2026-39899?: Medium severity. CVSS v3 base score is 5.3 out of 10.