CVE-2026-34499 Hardcoded credentials in ADVMS
Attackers can extract hard-coded cryptographic keys from Johnson Controls ADVMS to read sensitive constants and bypass security controls.
- 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-2026-34499?
CVE-2026-34499 is a high-severity vulnerability in Johnson Controls ADVMS, published on 7 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 cryptographic key vulnerability in Johnson Controls ADVMS allows Read Sensitive Constants Within an Executable.
This issue affects ADVMS: before 3.10.
Weakness: CWE-321
Which versions are affected by CVE-2026-34499?
How do I fix CVE-2026-34499?
No fix has been published for CVE-2026-34499 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-34499 being exploited?
There is no known exploitation of CVE-2026-34499 in the wild and no public exploit code.
Sources
Also known as GHSA-h9vm-53hv-75ch.