---
id: CVE-2026-54376
title: VitaFit Android < 2.8.1.0 Custom URI Scheme Token Hijacking
summary: >-
  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…
severity: high
cvss: 8.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'
cvssSource: cna
cwe:
  - CWE-926
vendor: 'Shenzhen Shine Industrial Co., Ltd.'
product: VitaFit
affected:
  - VitaFit < 2.8.1.0
published: '2026-11-04'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T22:01:47.396Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-54376'
references:
  - url: 'https://github.com/je-lv/vitafit-security-research'
    label: Researcher Disclosure
  - url: 'https://play.google.com/store/apps/details?id=com.vt.vitafit'
    label: Google Play
  - url: >-
      https://www.vulncheck.com/advisories/vitafit-android-custom-uri-scheme-token-hijacking
    label: >-
      VulnCheck Advisory: VitaFit Android < 2.8.1.0 Custom URI Scheme Token
      Hijacking
tags:
  - cve.org
ingestedAt: '2026-11-05T21:36:00.630Z'
---

## Overview

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.

## Affected

- `VitaFit < 2.8.1.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.