CVE-2026-1816 OTP Bypass in TEİAŞ's Mobile Application
Attackers can bypass OTP authentication via brute force attacks, potentially taking over user accounts in the TEİAŞ mobile application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-1816?
CVE-2026-1816 is a medium-severity authentication bypass vulnerability in Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application, published on 21 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-307
Which versions are affected by CVE-2026-1816?
How do I fix CVE-2026-1816?
No fix has been published for CVE-2026-1816 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-1816 being exploited?
There is no known exploitation of CVE-2026-1816 in the wild and no public exploit code.
Sources
Also known as GHSA-rhjf-qfgh-pmw6.