{"id":"CVE-2026-54376","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-54376","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…","details":"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.","published":"2026-11-04T22:18:05.407","modified":"2026-11-04T22:18:05.407","cvss":{"score":8.2,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/je-lv/vitafit-security-research"},{"type":"WEB","url":"https://play.google.com/store/apps/details?id=com.vt.vitafit"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/vitafit-android-custom-uri-scheme-token-hijacking"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-04T22:18:05.407"}}