CVE-2026-28254 Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

Medium 6.9 Published 12 Mar 2026 Updated 12 Mar 2026

Unauthenticated attackers can access sensitive information via unprotected APIs in Trane Tracer SC, SC+, and Concierge building automation systems.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-28254?

CVE-2026-28254 is a medium-severity missing authorization vulnerability in Trane Tracer Concierge, published on 12 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-28254?

It affects 3 products.

Products include Trane Tracer Concierge, Trane Tracer Sc\+ Firmware, Trane Tracer Sc Firmware.

How do I fix CVE-2026-28254?

No fix has been published for CVE-2026-28254 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-28254 being exploited?

There is no known exploitation of CVE-2026-28254 in the wild and no public exploit code.

Sources

Also known as GHSA-5f3g-p55x-j456.