Vulnerability in Insta Instaknxserviceapp
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.
EPSS: 0.002 (7.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Insta Instaknxserviceapp — versions 1.2.3.1469
Weakness classification (CWE)
References
- cna@vuldb.com (broken-link)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-19061?
- CVE-2026-19061 is a low-severity vulnerability in Insta Instaknxserviceapp, classified under Insufficient Verification of Data Authenticity. CVSS score: 3.7/10. Published 2026-08-06.
- How severe is CVE-2026-19061?
- Low severity. CVSS v3 base score is 3.7 out of 10.