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Vulnerabilities

Vulnerability · CVE-2026-28254

A Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an unauthenticated attacker to access sensitive information thro…

Published Mar 12, 2026 · catalog updated Jun 17, 2026 · tracer sc firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-28254. EPSS is 0.43%. Act only if a listed version of tracer sc firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Advisory link
Affected products
cpe trane/tracer concierge · cpe trane/tracer sc firmware · cpe trane/tracer sc+ firmware

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe trane/tracer conciergeversion unspecified
  • cpe trane/tracer sc firmware4.4
  • cpe trane/tracer sc+ firmwareversion unspecified

How to fix CVE-2026-28254

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-28254. EPSS is 0.43%. Act only if a listed version of tracer sc firmware is installed.

Which versions are affected?

Compare what you have installed with trane/tracer sc firmware 4.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-862: Missing Authorization. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 12, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-28254

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-28254

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-28254

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.