Vulnerability in Turkiye Electricity Transmission Corporation (Teiaş) Mobile Application

CVE-2026-1815

Insufficient session expiration vulnerability in Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application allows Session Hijacking. This issue affects Mobile Application: from 1.6.2 before 1.13.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-1815: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1815?
CVE-2026-1815 is a medium-severity vulnerability in Turkiye Electricity Transmission Corporation (Teiaş) Mobile Application, classified under Insufficient Session Expiration. CVSS score: 5.7/10. Published 2026-05-21.
How severe is CVE-2026-1815?
Medium severity. CVSS v3 base score is 5.7 out of 10.