CVE-2026-66340: Mira Hormone Monitor, Mira Android App Improper restriction of excessive authentication attempts

Severity: medium (CVSS 5.3 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 2026-09-01
Weakness: CWE-307

Description

The Mira cloud authentication endpoints do not enforce per-account rate limiting, per-IP throttling, or account lockout after repeated failed login attempts. An attacker can use brute-force methods to obtain gain access to user accounts.

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

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