CVE-2026-28256 Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
Hard-coded credentials in Trane building automation systems allow attackers to disclose sensitive information and take over accounts.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28256?
CVE-2026-28256 is a medium-severity vulnerability in Trane Tracer Concierge, published on 12 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-547
Which versions are affected by CVE-2026-28256?
It affects 3 products.
Products include Trane Tracer Concierge, Trane Tracer Sc\+ Firmware, Trane Tracer Sc Firmware.
How do I fix CVE-2026-28256?
No fix has been published for CVE-2026-28256 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-28256 being exploited?
There is no known exploitation of CVE-2026-28256 in the wild and no public exploit code.
Other vulnerabilities in Trane Tracer Concierge
- CVE-2021-38450 Trane Tracer Code Injection
- CVE-2026-28252 Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
- CVE-2026-28253 Memory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
- CVE-2026-28255 Use of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
- CVE-2026-28254 Missing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge
Sources
Also known as GHSA-7fm4-cpxv-5vqw.