CVE-2026-54376

VitaFit Android < 2.8.1.0 Custom URI Scheme Token Hijacking

Published Nov 4, 2026 CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Shenzhen Shine Industrial
Shenzhen Shine Industrial vitafit
Vendors & Products Shenzhen Shine Industrial
Shenzhen Shine Industrial vitafit
Type Values Removed Values Added
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.
Title VitaFit Android < 2.8.1.0 Custom URI Scheme Token Hijacking
Weaknesses CWE-926
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 9, 2026, 4:56 PM
Reserved
Jun 12, 2026, 8:20 PM
Status
Deferred
Published
Nov 4, 2026, 10:18 PM
Modified
Nov 9, 2026, 5:17 PM