CVE-2026-27874 Hardcoded credentials in EasyIO FS32
Attackers can exploit hard-coded credentials in Johnson Controls EasyIO FS32 to gain unauthorized access and control over the building automation system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-27874?
CVE-2026-27874 is a medium-severity vulnerability in Johnson Controls EasyIO FS32, published on 1 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
: Use of Hard-coded Credentials vulnerability in Johnson Controls EasyIO FS32 allows : Exploitation of Default or Hard-coded Credentials.
This issue affects EasyIO FS32: before 3.0b63.
Weakness: CWE-798
Which versions are affected by CVE-2026-27874?
How do I fix CVE-2026-27874?
No fix has been published for CVE-2026-27874 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-27874 being exploited?
There is no known exploitation of CVE-2026-27874 in the wild and no public exploit code.
Sources
Also known as GHSA-x8cv-cg58-3683.