CVE-2026-39897

Name: CVE-2026-39897
Creator: NVD / NIST
Published: 2026-06-24T22:16:46.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.15%

Last modified Jun 25, 2026

CVE-2026-39897 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 below contain a Reflected XSS vulnerability in the html_auth_footer. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

Cacti is an open source performance and fault management framework. Versions 1.2.30 and below contain a Reflected XSS vulnerability in the html_auth_footer. This issue has been fixed in version 1.2.31.

Metrics

CVSS 3.1

6.1/10

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

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/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

0.15%

5.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Cacti	Cacti	< 1.2.31

References

Timeline

Published: Jun 24, 2026
Last Modified: Jun 25, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-39897?

How severe is CVE-2026-39897?

CVE-2026-39897 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2026-39897?

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.

Are you affected by CVE-2026-39897?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST