CVE-2026-66098

Mira Hormone Monitor, Mira Android App Missing authentication for critical function

Published Aug 11, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
The Mira hormone monitor device firmware accepts a 0x01 write from any BLE central without authentication, causing the device to reboot into bootloader mode. An attacker could cause a denial-of-service condition or disrupt ovulation tracking and fertility monitoring workflow.

Remediation

Vendor Solution

Users should update the Mira app to the latest version iOS v3.5.18 / Android v4.5.18. Firmware v01.07.01.53 is updated via the app when the device is connected. No additional action is required.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Quanovate Tech
Quanovate Tech mira Android App
Quanovate Tech mira Firmware
Vendors & Products Quanovate Tech
Quanovate Tech mira Android App
Quanovate Tech mira Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The Mira hormone monitor device firmware accepts a 0x01 write from any BLE central without authentication, causing the device to reboot into bootloader mode. An attacker could cause a denial-of-service condition or disrupt ovulation tracking and fertility monitoring workflow.
Title Mira Hormone Monitor, Mira Android App Missing authentication for critical function
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Aug 12, 2026, 12:50 PM
Reserved
Aug 3, 2026, 4:54 PM
Status
Awaiting Analysis
Published
Aug 11, 2026, 10:18 PM
Modified
Sep 3, 2026, 5:57 PM