{"id":"CVE-2026-56919","kind":"vulnerability","aliases":["CVE-2026-56919"],"related":[],"title":"Android SystemUI: confused deputy lets an app launch activities in background","description":"In PackageSignatureChecker of SystemUIGoogleModule.java, there is a possible background activity launch due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.","summary":"PackageSignatureChecker in Android's SystemUIGoogleModule can be tricked into a background activity launch because of a confused deputy flaw. A local app can use this to escalate its privileges on the device, and user interaction is needed.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","infrastructure","systemui"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:15+00:00","first_seen_at":"2026-11-10T20:46:07+00:00","triaged_at":"2026-11-10T20:53:49+00:00","updated_at":"2026-11-10T20:53:49+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-10T20:53:49Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android SystemUI: confused deputy lets an app launch activities in background","impact":"high","summary":"PackageSignatureChecker in Android's SystemUIGoogleModule can be tricked into a background activity launch because of a confused deputy flaw. A local app can use this to escalate its privileges on the device, and user interaction is needed.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","systemui"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"local app gains escalated privileges on the device","analyst_note":"Find affected Android versions and the Android security bulletin patch level for CVE-2026-56919 at https://nvd.nist.gov/vuln/detail/CVE-2026-56919.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"The sources describe a local privilege escalation in Android's SystemUI module but do not name affected Android versions or patch levels. unknown","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000669,"input_tokens":4531,"output_tokens":432,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-56919':14A,17A 'activ':9A,32B,67C 'addit':84C 'android':1A,18B,23B 'app':7A,42B 'background':11A,31B,66C 'confus':3A,37B,72C 'could':75C 'cve':12A,15A 'deputi':4A,38B,73C 'devic':52B 'due':69C 'escal':47B,79C 'execut':85C 'exploit':93C 'flaw':39B 'infrastructur':19B 'interact':55B,89C 'launch':8A,33B,68C 'lead':76C 'let':5A 'local':41B,78C 'need':57B,87C,91C 'packagesignaturecheck':21B,59C 'possibl':65C 'privileg':49B,81C,86C 'systemui':2A,20B 'systemuigooglemodul':25B 'systemuigooglemodule.java':61C 'trick':28B 'use':44B 'user':54B,88C","nicknames":[],"mitigations":[],"who_affected":"The sources describe a local privilege escalation in Android's SystemUI module but do not name affected Android versions or patch levels. unknown","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","infrastructure","systemui","unknown"],"campaign_type":null,"search_a":"'-2026':13A,16A '-56919':14A,17A 'activ':9A 'android':1A 'app':7A 'background':11A 'confus':3A 'cve':12A,15A 'deputi':4A 'launch':8A 'let':5A 'systemui':2A","search_b":"'activ':32B 'android':18B,23B 'app':42B 'background':31B 'confus':37B 'deputi':38B 'devic':52B 'escal':47B 'flaw':39B 'infrastructur':19B 'interact':55B 'launch':33B 'local':41B 'need':57B 'packagesignaturecheck':21B 'privileg':49B 'systemui':20B 'systemuigooglemodul':25B 'trick':28B 'use':44B 'user':54B","search_c":"'activ':67C 'addit':84C 'background':66C 'confus':72C 'could':75C 'deputi':73C 'due':69C 'escal':79C 'execut':85C 'exploit':93C 'interact':89C 'launch':68C 'lead':76C 'local':78C 'need':87C,91C 'packagesignaturecheck':59C 'possibl':65C 'privileg':81C,86C 'systemuigooglemodule.java':61C 'user':88C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:15+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-56919","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56919","severity":null,"published_at":"2026-11-10T20:19:15+00:00","modified_at":"2026-11-10T20:19:15+00:00","first_seen_at":"2026-11-10T20:46:07+00:00","fetched_at":"2026-11-10T20:46:07+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}