CVE-2026-66098: Mira Hormone Monitor, Mira Android App Missing authentication for critical function

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-11 · updated 2026-09-03
Weakness: CWE-306

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.

Affected products

Quanovate Tech Inc. (operating as Mira / Mira Care) Mira Android App: 4.5.15.4
Quanovate Tech Inc. (operating as Mira / Mira Care) Mira Firmware: 1.7.1.47

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-223-01.json
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-223-01

Get alerted when CVE-2026-66098 or the next vulnerability affects your stack