What is CVE-2026-28254?

CVE-2026-28254 is a high-severity vulnerability in Trane Tracer Concierge, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-03-12.

How severe is CVE-2026-28254?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Trane Tracer Concierge

CVE-2026-28254

A Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to access sensitive information through unprotected APIs.

Vulnerability class: Broken Access Control

Published 2026-03-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (33.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.cisa.gov/news-events/ics-advisories/icsa-26-071-01 (US Government Resource, Third Party Advisory, government-resource)

Frequently asked questions

What is CVE-2026-28254?: CVE-2026-28254 is a high-severity vulnerability in Trane Tracer Concierge, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-03-12.
How severe is CVE-2026-28254?: High severity. CVSS v3 base score is 7.5 out of 10.