{"id":"CVE-2026-54376","published":"2026-11-04T22:18:05.407","lastModified":"2026-11-04T22:18:05.407","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.","cvssScore":8.2,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","cwes":["CWE-926"],"vendors":[],"products":[],"references":[{"url":"https://github.com/je-lv/vitafit-security-research","tags":[]},{"url":"https://play.google.com/store/apps/details?id=com.vt.vitafit","tags":[]},{"url":"https://www.vulncheck.com/advisories/vitafit-android-custom-uri-scheme-token-hijacking","tags":[]}],"exploitRefs":[{"url":"https://github.com/je-lv/vitafit-security-research","tags":[]}],"hasPoc":true,"ai":null}