How severe is CVE-2026-71449?

CVE-2026-71449 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2026-71449 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-71449?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-71449 published?

CVE-2026-71449 was published on 2026-10-01 and last updated on 2026-10-02.

CVE-2026-71449

CVE-2026-71449 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-321.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-321
Published: 2026-10-01
Last modified: 2026-10-02

Description

: Use of Hard-coded Cryptographic Key vulnerability in Johnson Controls EasyIO FS32 allows : Retrieve Embedded Sensitive Data. This issue affects EasyIO FS32: before 3.0b63.

Frequently asked questions

What is CVE-2026-71449?: : Use of Hard-coded Cryptographic Key vulnerability in Johnson Controls EasyIO FS32 allows : Retrieve Embedded Sensitive Data. This issue affects EasyIO FS32: before 3.0b63.
How severe is CVE-2026-71449?: CVE-2026-71449 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2026-71449 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-71449?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-71449 published?: CVE-2026-71449 was published on 2026-10-01 and last updated on 2026-10-02.

References

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

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