[ CVE-2026-54378 · Published 4 Nov 2026 ]
Vulnerability in Shenzhen Shine Industrial Co., Ltd. VitaFit
CVSS 9.6
No fix listed yet
[ Why it matters ]Priority signals
- Critical severity: CVSS 9.6
[ Description ]Official description
VitaFit cloud API before 2026-10-30 contained a broken access control vulnerability that allows any authenticated user to obtain temporary AWS credentials by calling the POST /front/user/s3/token/ endpoint. Attackers can use these improperly scoped credentials to list the shared storage bucket and read or overwrite other users' stored files, enabling unauthorized cross-user data access and manipulation.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.