What is CVE-2026-79720?

CVE-2026-79720 is a medium-severity vulnerability in Lutzroeder Netron, classified under Cross-site Scripting. CVSS score: 5.0/10. Published 2026-08-27.

How severe is CVE-2026-79720?

Medium severity. CVSS v3 base score is 5.0 out of 10.

XSS in Lutzroeder Netron

CVE-2026-79720

Reflected XSS in Netron versions <=9.1.2 on desktop application through unsanitized node names allows an attacker to hide certain nodes, perform port scanning or abuse a Chrome n-day to achieve Remote Code Execution.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-08-27 · last modified 2026-09-01.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.8th percentile), scored 2026-10-12.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

6f8de1f0-f67e-45a6-b68f-98777fdb759c (Patch)
6f8de1f0-f67e-45a6-b68f-98777fdb759c (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-79720?: CVE-2026-79720 is a medium-severity vulnerability in Lutzroeder Netron, classified under Cross-site Scripting. CVSS score: 5.0/10. Published 2026-08-27.
How severe is CVE-2026-79720?: Medium severity. CVSS v3 base score is 5.0 out of 10.