CVE-2026-66875: Mira Hormone Monitor, Mira Android App Missing authentication for critical function

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% 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

In the Mira hormone monitor device firmware v1.7.1.47 build 01070147, a remote unauthenticated attacker within BLE range (approximately 10–30 meters) can silently rebind the device to an attacker-controlled account, extract stored hormone measurements in cleartext, cause a denial-of-service via malformed or undocumented command opcodes, and passively track the user via a static random BLE address that never rotates.

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-2026-66875 or the next vulnerability affects your stack