VDB-365031 · CVE-2026-1815 · EUVD-2026-31289

Turkiye Electricity Transmission Corporation Mobile Application up to 1.12 session expiration

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Turkiye Electricity Transmission Corporation Mobile Application up to 1.12. The impacted element is an unknown function. Performing a manipulation results in session expiration. This vulnerability is identified as CVE-2026-1815. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Turkiye Electricity Transmission Corporation Mobile Application up to 1.12. This affects some unknown functionality. The manipulation with an unknown input leads to a session expiration vulnerability. CWE is classifying the issue as CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." This is going to have an impact on confidentiality. The summary by CVE is:

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.

The weakness was released by Metin Ögtem. It is possible to read the advisory at siberguvenlik.gov.tr. This vulnerability is uniquely identified as CVE-2026-1815 since 02/03/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.13 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-31289). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Turkiye Electricity Transmission Corporation

Name

Mobile Application

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.7
CNA Vector (TR-CERT): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Session expiration
CWE: CWE-613
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Mobile Application 1.13

Timelineinfo

02/03/2026 CVE reserved
05/21/2026 +106 days Advisory disclosed
05/21/2026 +0 days VulDB entry created
05/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: siberguvenlik.gov.tr
Researcher: Metin Ögtem
Status: Confirmed

CVE: CVE-2026-1815 (🔒)
GCVE (CVE): GCVE-0-2026-1815
GCVE (VulDB): GCVE-100-365031
EUVD: 🔒

Entryinfo

Created: 05/21/2026 16:46
Updated: 05/21/2026 19:47
Changes: 05/21/2026 16:46 (63), 05/21/2026 19:47 (1)
Complete: 🔍
Cache ID: 216::103