CVE-2026-67558: Mira Hormone Monitor, Mira Android App Authentication bypass by spoofing

Published Aug 11, 2026

Updated

The Mira Android companion app v4.5.15.4 identifies the paired Mira hormone analyzer by performing a substring match against the BLE advertisement name only, with no cryptographic peripheral authentication, MAC allowlist, or bonded-identity check. An attacker could capture live session token information and inject forged hormone measurements into the victim's cloud record and clinical trend view.

Affected Software

1 affected component

Mira Android companion app=4.5.15.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Mira Android App to a version that resolves this vulnerability.
Fixed in v4.5.18
Upgrade
Upgrade Mira iOS App to a version that resolves this vulnerability.
Fixed in v3.5.18

Event History

Aug 11, 2026

CVE Published

via MITRE·09:27 PM

Data Sourced

via MITRE·09:27 PM

RemedyDescriptionSeverityWeakness

Data Sourced

via NVD·10:18 PM

DescriptionSeverityWeakness

Aug 12, 58581

Event

via NVD·04:04 AM

Frequently Asked Questions

What is the severity of CVE-2026-67558?

CVE-2026-67558 has a severity rating of high with a score of 7.4.

How can I fix CVE-2026-67558?

To mitigate CVE-2026-67558, ensure that the Mira Android app is updated to the latest version with enhanced authentication features.

What type of attack does CVE-2026-67558 facilitate?

CVE-2026-67558 allows for an authentication bypass through spoofing of the Mira hormone analyzer.

Is user interaction required to exploit CVE-2026-67558?

Exploitation of CVE-2026-67558 does require user interaction to initiate the spoofing.

What impact does CVE-2026-67558 have on data confidentiality?

CVE-2026-67558 can lead to complete disclosure of sensitive session token information, affecting data confidentiality.