Information disclosure in Honeywell Control_network_module

CVE-2026-5434

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 prote…

EPSS: 0.000 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5434?
CVE-2026-5434 is a medium-severity vulnerability in Honeywell Control_network_module, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 5.9/10. Published 2026-05-21.
How severe is CVE-2026-5434?
Medium severity. CVSS v3 base score is 5.9 out of 10.