CVE-2026-34492Network attack vector

Arbitrary file read via attacker-controlled path

Published Aug 14, 2026 · Updated Aug 14, 2026

External control of file name or path in Johnson Controls Airwall before 4.1 allows remote attackers to read arbitrary server files. Johnson Controls has not published the affected component or the file operation that accepts the attacker-controlled path. The attack requires active user interaction; the public record does not establish file-write, deletion, or code-execution capability.

CVSS severity7.0
High
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

External control of file name or path in Johnson Controls Airwall before 4.1 allows remote attackers to read arbitrary server files. Johnson Controls has not published the affected component or the file operation that accepts the attacker-controlled path. The attack requires active user interaction; the public record does not establish file-write, deletion, or code-execution capability.

The record

CVE
CVE-2026-34492
Published
Aug 14, 2026
Updated
Aug 14, 2026
Vendor
Johnson Controls
Product
Airwall
Classifications
CWE-73, CAPEC-165, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Johnson Controls · Airwallversion=0 <4.1

Published CVSS scores

7.0Johnson ControlsCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
6.4CISACVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L
5.9CISACVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-73External Control of File Name or Path
CAPEC-165File Manipulation
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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