CVE-2026-19061

A flaw has been found in Insta InstaKNXServiceApp 1.2.3.1469. Affected by this issue is the function CreateWebClientAndDownloadFileList of the component Firmware Update Handler. Executing a manipulation can lead to insufficient verification of data authenticity. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitation is known to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 3.7 LOW
CVSS v2.0 2.6 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:N/I:P/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://gist.github.com/isZzzz/f9da7d76cf2f7b93ec3f90efe17ed323
https://vuldb.com/cve/CVE-2026-19061
https://vuldb.com/submit/864343
https://vuldb.com/vuln/386531
https://vuldb.com/vuln/386531/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-06 22:16

Updated : 2026-08-12 21:00

NVD link : CVE-2026-19061

Mitre link : CVE-2026-19061

CVE.ORG link : CVE-2026-19061

JSON object : View

Products Affected

No product.

CWE

CWE-345

Insufficient Verification of Data Authenticity

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