How severe is CVE-2026-1816?

CVE-2026-1816 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-1816 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1816?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1816 have an EU (EUVD) identifier?

Yes. CVE-2026-1816 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31288.

When was CVE-2026-1816 published?

CVE-2026-1816 was published on 2026-05-21 and last updated on 2026-06-17.

CVE-2026-1816

CVE-2026-1816 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31288
Weakness: CWE-307
Published: 2026-05-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-1816?: 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.
How severe is CVE-2026-1816?: CVE-2026-1816 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-1816 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-1816?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1816 have an EU (EUVD) identifier?: Yes. CVE-2026-1816 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31288.
When was CVE-2026-1816 published?: CVE-2026-1816 was published on 2026-05-21 and last updated on 2026-06-17.

References

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

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