CVE-2026-54376: high-severity vulnerability in Shenzhen Shine Industrial Co., Ltd. VitaFit
VitaFit Android < 2.8.1.0 Custom URI Scheme Token Hijacking
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
38Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.2
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:H/SA:N
Affected products
Shenzhen Shine Industrial Co., Ltd. · VitaFitpublic PoCs found — 1
cve_referencegithub.com/je-lv/vitafit-security-researchunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Shenzhen Shine Industrial Co., Ltd. VitaFit
In the same product, most dangerous first.
CVE-2026-54384CRITICALVitaFit Cloud API Authentication Bypass via POST /front/login/sns/EPSS —CVE-2026-54383HIGHVitaFit Cloud API Excessive Data Exposure via relation/search EndpointEPSS —CVE-2026-54382MEDIUMVitaFit Cloud API AWS IAM Misconfiguration via Cognito S3 AccessEPSS —CVE-2026-54381HIGHVitaFit Cloud API Storage Bucket Unauthenticated Access Information DisclosureEPSS —CVE-2026-54380MEDIUMVitaFit Cloud API Stored XSS via SVG File UploadEPSS —CVE-2026-54378CRITICALVitaFit Cloud API Broken Access Control via S3 Token EndpointEPSS —