Vulnerability in Tridium Niagara Enterprise Security

CVE-2026-11804

Improper handling of insufficient permissions or privileges vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, QNX allows Privilege Abuse. This issue affects Niagara Framework: before 4.14.6, before 4.15.5; Niagara Enterprise Security: before 4.14.6, before 4.15.5.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-11804: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11804?
CVE-2026-11804 is a medium-severity vulnerability in Tridium Niagara Enterprise Security, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 5.2/10. Published 2026-07-23.
How severe is CVE-2026-11804?
Medium severity. CVSS v3 base score is 5.2 out of 10.