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

Medium severity · published Aug 11, 2026

CVE-2026-66340

Mira Hormone Monitor, Mira Android App Improper restriction of excessive authentication attempts

5.3

CVSS

0.4%

EPSS

On KEV

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

Low

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 34% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Mira Android App · Quanovate Tech Inc. (operating as Mira / Mira Care)

4.5.15.4 · source: vendor

Mira Firmware · Quanovate Tech Inc. (operating as Mira / Mira Care)

1.7.1.47 · source: vendor

In the news

VulnerabilityCritical

Mira Hormone Monitor, Mira Android App

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to access unauthorized health profile information, make changes to health information, cause a denial-of-service condition, disclose session token information, and obtain control of user accounts. The following versions of Mira Hormone Monitor, Mira Android App are affected: Mira Monitor Firmware 1.7.1.47 (CVE-2026-66875, CVE-2026-66098, CVE-2026-67558, CVE-2026-67568, CVE-2026-68067, CVE-2026-66340, CVE-2026-64934, CVE-2026-66832) Mira Android App 4.5.15.4 (CVE-2026-66875, CVE-2026-66098, CVE-2026-67558, CVE-2026-67568, CVE-2026-68067, CVE-2026-66340, CVE-2026-64934, CVE-2026-66832) CVSS Vendor Equipment Vulnerabilities v3 9.8 Quanovate Tech Inc. (operating as Mira / Mira Care) Mira Hormone Monitor, Mira Android App Missing Authentication for Critical Function, Authentication Bypass by Spoofing, Use of Hard-coded Credentials, Weak Authentication, Improper Restriction of Excessive Authentication Attempts, Reliance on Untrusted Inputs in a Security Decision, Use of GET Request Method With Sensitive Query Strings Background Critical Infrastructure Sectors: Healthcare and Public Health Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2026-66875 In the Mira hormone monitor device firmware v1.7.1.47 build 01070147, a remote unauthent...

CVE-2026-66875 CVE-2026-66098 CVE-2026-67558

Aug 11, 2026·CISA Advisories

Affected product

Mira Android App

Quanovate Tech Inc. (operating as Mira / Mira Care)

All Mira Android App CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-66340

CVE.org

https://www.cve.org/CVERecord?id=CVE-2026-66340

github.com

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-223-01.json

www.cisa.gov

https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-223-01