CVE-2026-28254 is a Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge products, allowing an unauthenticated attacker to access sensitive information through unprotected APIs. Rated 7.5 High on the CVSS scale, it presents a low-complexity network attack vector with no user interaction required, leading to a high impact on confidentiality. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has received limited community discussion and media coverage, including a CISA alert. This vulnerability is not currently listed on CISA's KEV catalog.
| 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:N/UI:N/VC:L/VI:N/VA:N/SC:L/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, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.