CVE-2026-1816

MEDIUMNVD 6.36.3—

6.3

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.

CVSS v3: 6.3
EG Score: 6.3(high)
EPSS: 11.7%
KEV: Not listed

Published

May 21, 2026

Last Modified

May 21, 2026

References (1)

iletisim@usomhttps://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0286

Vendor Advisories for CVE-2026-1816(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-rhjf-qfgh-pmw6
GitHub Security AdvisoriesMedium
Improper restriction of excessive authentication attempts vulnerability in Turkiye Electricity...

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-307Improper Restriction of Excessive Authentication Attempts

Data Freshness Timeline

(refreshed 18× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-21 16:42 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-1816?

CVE-2026-1816 is a medium vulnerability published on May 21, 2026. 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.

When was CVE-2026-1816 disclosed?

CVE-2026-1816 was first published in the National Vulnerability Database on May 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-1816 actively exploited?

CVE-2026-1816 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-1816?

CVE-2026-1816 has a CVSS v3 base score of 6.3 (NVD).

How do I remediate CVE-2026-1816?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1816, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-1816

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-1816(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)