{"id":"CVE-2026-55271","kind":"vulnerability","aliases":["CVE-2026-55271"],"related":[],"title":"Android Contacts Picker: intent redirection lets an app gain local privileges","description":"In forwardToPreferredActionPickHandler of ContactsPickerActivity.kt, there is a possible intent redirection due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"ContactsPickerActivity in Android forwards an intent to a preferred action handler without checking it, a confused-deputy flaw. A local app can use it to escalate privilege on the device without user interaction.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","mobile","runtime"],"not_affected_if":["patched-android-build"],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T20:17:44+00:00","first_seen_at":"2026-11-02T20:35:29+00:00","triaged_at":"2026-11-02T20:40:38+00:00","updated_at":"2026-11-02T20:40:38+00:00","category":"runtime","confidence":0.5,"triage":{"at":"2026-11-02T20:40:38Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android Contacts Picker: intent redirection lets an app gain local privileges","impact":"high","summary":"ContactsPickerActivity in Android forwards an intent to a preferred action handler without checking it, a confused-deputy flaw. A local app can use it to escalate privilege on the device without user interaction.","audience":"everyone","category":"runtime","nicknames":[],"who_cares":["android","mobile"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"A local app gains elevated privileges on the device","analyst_note":"Confirm affected Android versions and the patch level that fixed it using the NVD entry at https://nvd.nist.gov/vuln/detail/CVE-2026-55271 and the Android Security Bulletin.","how_to_check":"- unknown","plain_action":"Install the latest Android security update on your phone and check Settings > Security > System update.","needs_analyst":true,"not_affected_if":["patched-android-build"],"who_is_affected":"The flaw is in the Android contacts picker activity, so any Android device running a vulnerable system build is in scope. Only a local app on the device can trigger it, so remote attackers without a malicious app on the phone cannot use it directly. unknown whether this is limited to specific Android versions.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000657,"input_tokens":4114,"output_tokens":491,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-55271':14A,17A 'action':30B 'addit':80C 'android':1A,18B,23B 'app':8A,42B 'check':33B 'confus':37B,68C 'confused-deputi':36B 'contact':2A 'contactspickeract':21B 'contactspickeractivity.kt':58C 'could':71C 'cve':12A,15A 'deputi':38B,69C 'devic':51B 'due':65C 'escal':47B,75C 'execut':81C 'exploit':90C 'flaw':39B 'forward':24B 'forwardtopreferredactionpickhandl':56C 'gain':9A 'handler':31B 'intent':4A,26B,63C 'interact':54B,85C 'lead':72C 'let':6A 'local':10A,41B,74C 'mobil':19B 'need':83C,88C 'picker':3A 'possibl':62C 'prefer':29B 'privileg':11A,48B,77C,82C 'redirect':5A,64C 'runtim':20B 'use':44B 'user':53B,84C 'without':32B,52B","nicknames":[],"mitigations":[],"who_affected":"The flaw is in the Android contacts picker activity, so any Android device running a vulnerable system build is in scope. Only a local app on the device can trigger it, so remote attackers without a malicious app on the phone cannot use it directly. unknown whether this is limited to specific Android versions.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","mobile","runtime","unknown"],"first_public_at":"2026-11-02T20:17:44+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-55271","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55271","severity":null,"published_at":"2026-11-02T20:17:44+00:00","modified_at":"2026-11-02T20:17:44+00:00","first_seen_at":"2026-11-02T20:35:29+00:00","fetched_at":"2026-11-02T20:35:29+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}