CVE-2026-34493 Information disclosure in EasyIO FS32
An on-chip debug interface vulnerability in Johnson Controls EasyIO FS32 allows attackers to collect data from common resource locations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-34493?
CVE-2026-34493 is a high-severity vulnerability in Johnson Controls EasyIO FS32, published on 1 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
- On-Chip Debug Interface vulnerability in Johnson Controls EasyIO FS32 allows Collect Data from Common Resource Locations.
This issue affects EasyIO FS32: before 3.3b63.
Weakness: CWE-1191
Which versions are affected by CVE-2026-34493?
How do I fix CVE-2026-34493?
No fix has been published for CVE-2026-34493 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-34493 being exploited?
There is no known exploitation of CVE-2026-34493 in the wild and no public exploit code.
Sources
Also known as GHSA-v376-qxv8-jmj8.