CVE-2026-28255 is a critical Use of Hard-coded Credentials vulnerability impacting Trane Tracer SC, Tracer SC+, and Tracer Concierge products. With a CVSS score of 9.8, this flaw allows an unauthenticated, remote attacker to exploit the vulnerability with low complexity. Successful exploitation can lead to the disclosure of sensitive information, account takeover, and full compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or inclusion in CISA's KEV catalog, the vulnerability has garnered limited community discussion and media coverage, primarily through CISA alerts.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.4CPE matchmatch criteria | cpe:2.3:o:trane:tracer_sc_firmware:*:*:*:*:*:*:*:* | ||
4.4CPE matchmatch criteria | cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack1:*:*:*:*:*:* | ||
4.4CPE matchmatch criteria | cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack2:*:*:*:*:*:* | ||
4.4CPE matchmatch criteria | cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack3:*:*:*:*:*:* | ||
4.4CPE matchmatch criteria | cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack4:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.