CVE-2026-54376
High
Description
VitaFit Android application (com.vt.vitafit) before 2.8.1.0 contains an insecure custom URI scheme vulnerability that allows a malicious application to intercept Fitbit login tokens by registering the same callback scheme (vitafit://vtio.cn). Attackers can capture the 30-day Fitbit authorization token with weight scope delivered in the callback URL to read, create, and delete the victim's weight and body-fat records via the Fitbit Body API.
SeverityHigh
CVSS8.2
Exploit probability—
ProductVitaFit
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-926CWE-926
How to fix
Update
- Shenzhen Shine Industrial Co., Ltd. VitaFit2.8.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Shenzhen Shine Industrial Co., Ltd. VitaFit | v < 2.8.1.0 | 2.8.1.0 |
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