CVE-2026-28254 — HIGH (7.5)

Q: What is CVE-2026-28254?

CVE-2026-28254 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

Q: How severe is CVE-2026-28254?

CVE-2026-28254 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-28254?

Check the references section above for vendor advisories and patch information. Affected products include: Trane Tracer Sc Firmware, Trane Tracer Sc, Trane Tracer Sc\+ Firmware, Trane Tracer Sc\+, Trane Tracer Concierge.

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Trane	Tracer Sc Firmware	<= 4.4
Trane	Tracer Sc	All versions
Trane	Tracer Sc\+ Firmware	< 6.3.2310
Trane	Tracer Sc\+	All versions
Trane	Tracer Concierge	< 6.3.2310

Related Weaknesses (CWE)

CWE-862

References

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

FAQ

What is CVE-2026-28254?

CVE-2026-28254 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2026-28254?

CVE-2026-28254 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-28254?

Check the references section above for vendor advisories and patch information. Affected products include: Trane Tracer Sc Firmware, Trane Tracer Sc, Trane Tracer Sc\+ Firmware, Trane Tracer Sc\+, Trane Tracer Concierge.