Vulnerability Intelligence Report
OTP Bypass in TEİAŞ's 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.
No Active Exploit Signals
CVSS Base Score
6.3
MEDIUM
Exploitability:2.1
Impact Score:4.3
EPSS Probability:0.18%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-307 ↗CWE-307 Improper restriction of excessive authentication attempts
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Turkiye Electricity Transmission Corporation (TEİAŞ) | Mobile Application | 1.6.2 < 1.13 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.184%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | TR-CERT (Computer Emergency Response Team of the Republic of Türkiye) · CERT · Türkiye |
| Reserved | 2026-02-03T14:06:50 |
| Published | 2026-05-21T14:08:15 |
| Patch Date | 2026-05-21 |
| Last Updated | 2026-05-21T14:32:45 |
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