What is CVE-2026-1816?

CVE-2026-1816 is a medium-severity vulnerability in Turkiye Electricity Transmission Corporation (Teiaş) Mobile Application, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.3/10. Published 2026-05-21.

How severe is CVE-2026-1816?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Turkiye Electricity Transmission Corporation (Teiaş) Mobile Application

CVE-2026-1816

Improper restriction of excessive authentication attempts vulnerability in Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application allows Brute Force. This issue affects Mobile Application: from 1.6.2 before 1.13.

EPSS: 0.000 (11.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N.

Affected products

Turkiye Electricity Transmission Corporation (Teiaş) Mobile Application — versions 1.6.2

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

iletisim@usom.gov.tr (government-resource)

Frequently asked questions

What is CVE-2026-1816?: CVE-2026-1816 is a medium-severity vulnerability in Turkiye Electricity Transmission Corporation (Teiaş) Mobile Application, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 6.3/10. Published 2026-05-21.
How severe is CVE-2026-1816?: Medium severity. CVSS v3 base score is 6.3 out of 10.