CVE-2026-71456

Use of hard-coded cryptographic key vulnerability in Johnson Controls Kantech Entrapass allows…

Risk score: 51/100
CVSS: 8.5 v4.0
Published: 26 Oct 2026

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What to know

What it is: Use of hard-coded cryptographic key vulnerability in Johnson Controls Kantech Entrapass allows Padding Oracle Crypto Attack. This issue affects Kantech Entrapass: before 9.20.
Affected: See advisory
Fix: Upgrade the product to 9.20 or later.
Exploitation: No known exploitation

Why it is Yellow

CVSS 8.5 high

References

https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

Original description

Use of hard-coded cryptographic key vulnerability in Johnson Controls Kantech Entrapass allows Padding Oracle Crypto Attack. This issue affects Kantech Entrapass: before 9.20.

Last activity 26 Oct 2026. Patch Forecast updates every hour.