CVE-2026-28256mediumCWE-547

CVE-2026-28256: medium-severity vulnerability in Trane Tracer SC

Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.3%
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Affected products
Trane · Tracer ConciergeTrane · Tracer SCTrane · Tracer SC+
Related CVEs — Trane Tracer SC

In the same product, most dangerous first.

CVE-2021-38450CRITICALTrane Tracer Code InjectionEPSS 1.0%CVE-2021-42534MEDIUMTrane Building Automation Controllers Cross-site ScriptingEPSS 0.6%CVE-2026-28253HIGHMemory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.4%CVE-2026-28255HIGHUse of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28254MEDIUMMissing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28252CRITICALUse of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.2%