High severity · published Oct 26, 2026
CVE-2026-71456
Use of hard-coded cryptographic key vulnerability in Johnson Controls Kantech Entrapass allows Padding Oracle Crypto Attack
New
8.5
CVSS
0.1%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kantech Entrapass · Johnson Controls
before 9.20 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71456
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71456
www.johnsoncontrols.com
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
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Cleartext storage of sensitive information in memory vulnerability in Johnson Controls Kantech Entrapass allows Retrieve Embedded Sensitive Data