When the Mira Android app opens in-app WebView content (e.g., shop redirect flows), the user's live session token is appended to the URL as a query string parameter, and a persistent user identifier is included in the WebView's User-Agent header. Both are then transmitted to third-party web properties, referrer logs, and any JavaScript running in the WebView context.

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Advisories

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Fixes

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.


Workaround

No workaround given by the vendor.

History

Tue, 11 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
Description When the Mira Android app opens in-app WebView content (e.g., shop redirect flows), the user's live session token is appended to the URL as a query string parameter, and a persistent user identifier is included in the WebView's User-Agent header. Both are then transmitted to third-party web properties, referrer logs, and any JavaScript running in the WebView context.
Title Mira Hormone Monitor, Mira Android App Use of GET request method with sensitive query strings
Weaknesses CWE-598
References
Metrics cvssV3_1

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

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-08-11T20:49:56.584Z

Reserved: 2026-08-03T16:54:56.493Z

Link: CVE-2026-66832

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-11T21:17:49.713

Modified: 2026-08-11T21:17:49.713

Link: CVE-2026-66832

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses