CVE-2026-34494 Information disclosure in Neo Series MVP2
An on-chip debug interface vulnerability in Johnson Controls Neo Series MVP2 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-2026-34494?
CVE-2026-34494 is a high-severity vulnerability in Johnson Controls Neo Series MVP2, 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 Neo Series MVP2 allows Collect Data from Common Resource Locations.
This issue affects Neo Series MVP2: before 3.3b63.
Weakness: CWE-1191
Which versions are affected by CVE-2026-34494?
How do I fix CVE-2026-34494?
No fix has been published for CVE-2026-34494 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-34494 being exploited?
There is no known exploitation of CVE-2026-34494 in the wild and no public exploit code.
Sources
Also known as GHSA-ww33-hqcx-rgwm.