CVE-2026-28255 — CRITICAL (9.8)

Q: What is CVE-2026-28255?

CVE-2026-28255 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclose sensitive information and take over accounts.

Q: How severe is CVE-2026-28255?

CVE-2026-28255 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-28255?

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

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

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-798

References

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

FAQ

What is CVE-2026-28255?

CVE-2026-28255 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclose sensitive information and take over accounts.

How severe is CVE-2026-28255?

CVE-2026-28255 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-28255?

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.