CVE-2026-28256

moderate-risk

Published 2026-03-12

A Use of Hard-coded, Security-relevant Constants vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclose sensitive information and take over accounts.

Do I need to act?

0.05% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 9.8/10 Critical

NETWORK / LOW complexity

Affected Products (9)

Tracer Sc\+ Firmware

Tracer Sc Firmware

Tracer Concierge

Affected Vendors

Trane

References (1)

Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01

/ 100

moderate-risk

Severity 32/34 · Critical

Exploitability 0/34 · Minimal

Exposure 15/34 · Moderate