{"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","slug":"CVE-2026-54376","body":"## Overview\n\nVitaFit 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.\n\n## Affected\n\n- `VitaFit < 2.8.1.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}