CVE-2026-54376High· 8.2▾ TwilightVitaFit 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…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
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.
VitaFit < 2.8.1.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-54384Critical· 9.8VitaFit Cloud API Authentication Bypass via POST /front/login/sns/
CVE-2026-54383Medium· 6.5VitaFit Cloud API Excessive Data Exposure via relation/search Endpoint
CVE-2026-54381High· 7.5VitaFit Cloud API Storage Bucket Unauthenticated Access Information Disclosure
CVE-2026-54382High· 7.7VitaFit Cloud API AWS IAM Misconfiguration via Cognito S3 Access
CVE-2026-54378Critical· 9.6VitaFit Cloud API Broken Access Control via S3 Token Endpoint
CVE-2026-54380Medium· 5.4VitaFit Cloud API Stored XSS via SVG File Upload