Vulnerability in Trane Tracer Concierge
CVE-2026-28256
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.
EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Trane Tracer Concierge — versions 0
- Trane Tracer_concierge
- Trane Tracer Sc — versions 0
- Trane Tracer Sc+ — versions 0
- Trane Tracer_sc
- Trane Tracer_sc\+
- Trane Tracer_sc\+_firmware
- Trane Tracer_sc_firmware — versions 4.4
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, government-resource)
Frequently asked questions
- What is CVE-2026-28256?
- CVE-2026-28256 is a critical-severity vulnerability in Trane Tracer Concierge, classified under Use of Hard-coded, Security-relevant Constants. CVSS score: 9.8/10. Published 2026-03-12.
- How severe is CVE-2026-28256?
- Critical severity. CVSS v3 base score is 9.8 out of 10.