Vulnerability · Published May 21, 2026 · Assigned by TR-CERT
CVE-2026-1816OTP Bypass in TEİAŞ's Mobile Application
Medium 6.3
In plain English
A medium-severity security flaw in Mobile Application from Turkiye Electricity Transmission Corporation (TEİAŞ). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.2%top 92.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Turkiye Electricity Transmission Corporation (TEİAŞ) | Mobile Application | 1.6.2 – before 1.13 |
Weakness: CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
References
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0286 government-resource