TI-2026-04757 Aliases CVE-2026-5434 GHSA-m6f8-6m3m-x2rv

Improper storage of sensitive information in Honeywell International Inc. Control Network…

LOW 26CWE-538Published 2026-05-21 · Updated 2026-07-30

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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].

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00208 10th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Honeywell International Inc.	Control Network Module (CNM)	100.1 – 110.2	—	No fix listed	CNA

Control Network Module (CNM) VendorHoneywell International Inc. Affected 100.1 – 110.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-5434
2026-10-03 Alias added: GHSA-m6f8-6m3m-x2rv

References

Other 1

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

TI-2026-04756 Improper sanitization CVSS 3.1CRITICAL 9.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences