Embedded credentials in Virtuagym
Virtuagym / Resamania Backend API & Mobile Apps. All versions are affected at the time of reporting.
INCIBE has coordinated the disclosure of a high-severity vulnerability affecting the backend API and mobile app of Virtuagym, a comprehensive technology platform and mobile app specialising in the fitness and health sector. The vulnerability was discovered by Pau Hinojosa.
This vulnerability has been assigned the following code, CVSS v4.0 base score, CVSS vector and CWE vulnerability type:
- CVE-2026-12587: CVSS v4.0: 8.6 | CVSS AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N | CWE-798
No solution has been reported yet.
CVE-2026-12587: the vulnerability allows the unauthorised generation of physical access QR codes due to the use of hard-coded credentials within the application. The generation mechanism uses the 'badge_number' parameter as the HMAC private key, the value of which remains static and is accessible via the API using the endpoint '/club/_id_club_/member/_id_member_/resamania_qr_info'. An attacker with access to this value and to the application’s cryptographic logic, which can be extracted by reverse engineering the APK as there is no code obfuscation, could generate valid QR codes indefinitely, even after the user has changed their password or logged out.
| Identificador CVE | Severidad | Explotación | Fabricante |
|---|---|---|---|
| CVE-2026-12587 | Alta | No | VirtuaGym |
