What’s Vulnerable › Vulnerabilities

CVE-2026-5434: Improper storage of sensitive information

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-21 · updated 2026-10-14
• Weakness: CWE-538

Description

Honeywell Control Network Module (CNM) contains insertion of sensitive information into an unintended directory. An attacker could exploit this vulnerability through probing system files, potentially resulting in unintended access to protected data. Honeywell recommends updating to the most recent version of this product, service or offering [200.1]. The CNM versions affected are from [100.1, 101.1, 110.1, and 110.2].

Affected products

• Honeywell International Inc. Control Network Module (CNM): from 100.1 through 110.2

References

• https://www.honeywell.com/us/en/product-security

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