CVE-2026-19061

medium

Description

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.

References

https://vuldb.com/vuln/386531/cti

https://vuldb.com/vuln/386531

https://vuldb.com/submit/864343

https://vuldb.com/cve/CVE-2026-19061

https://gist.github.com/isZzzz/f9da7d76cf2f7b93ec3f90efe17ed323

Details

Source: Mitre, NVD

Published: 2026-08-06

Updated: 2026-08-08

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Low

CVSS v4

Base Score: 6.3

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00181