What is CVE-2026-40084?

CVE-2026-40084 is a medium-severity vulnerability in Cacti, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-06-25.

How severe is CVE-2026-40084?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Cacti

CVE-2026-40084

Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior are vulnerable to Path Traversal through the Report format_file Parameter, causing arbitrary file read. This vulnerability occurs in two stages…

Vulnerability class: Path Traversal (Directory Traversal)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-40084?: CVE-2026-40084 is a medium-severity vulnerability in Cacti, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-06-25.
How severe is CVE-2026-40084?: Medium severity. CVSS v3 base score is 6.5 out of 10.