{"id":"CVE-2025-27839","details":"operations/attestation/AttestationTask.kt in the Tangem SDK before 5.18.3 for Android has a logic flow in offline wallet attestation (genuineness check) that causes verification results to be disregarded during the first scan of a card. Exploitation may not have been possible.","modified":"2026-04-10T05:24:18.648731Z","published":"2025-03-08T00:15:38.340Z","references":[{"type":"WEB","url":"https://github.com/tangem/tangem-sdk-android/releases/tag/release-app_5.18-409"},{"type":"FIX","url":"https://github.com/tangem/tangem-sdk-android/commit/24588188fdb51ed469cd59d2c595128c1fe63b07"},{"type":"ARTICLE","url":"https://tangem.com/en/blog/post/app-update/"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-27839.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.18.3"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N"}]}