{"id":"CVE-2026-28597","kind":"vulnerability","aliases":["CVE-2026-28597"],"related":[],"title":"Android: URI grant handling lets a local app bypass permissions","description":"In writeGrantedUriPermissions of UriGrantsManagerService.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","summary":"A flaw in Android's UriGrantsManagerService lets a local app bypass permission checks because input is not validated properly. An attacker gets local privilege escalation with no extra execution rights and no user interaction needed.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","infrastructure","mobile"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-02T20:17:41+00:00","first_seen_at":"2026-11-02T20:35:26+00:00","triaged_at":"2026-11-02T20:40:52+00:00","updated_at":"2026-11-02T20:40:52+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-11-02T20:40:52Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"local","title":"Android: URI grant handling lets a local app bypass permissions","impact":"high","summary":"A flaw in Android's UriGrantsManagerService lets a local app bypass permission checks because input is not validated properly. An attacker gets local privilege escalation with no extra execution rights and no user interaction needed.","audience":"everyone","category":"infrastructure","nicknames":[],"who_cares":["android","mobile"],"confidence":0.5,"fix_status":"unknown","needs_auth":"no","worst_case":"A local app escalates privileges beyond its permissions on the device.","analyst_note":"Find the Android security bulletin entry for CVE-2026-28597 to confirm affected versions, severity and the patch level that fixes it.","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Affects Android devices with the vulnerable UriGrantsManagerService code; the sources do not name affected versions. Any installed app on an affected device could be the starting point, so the sources do not say who can skip it.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.00062,"input_tokens":4106,"output_tokens":419,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-28597':13A,16A 'addit':80C 'android':1A,17B,23B 'app':8A,29B 'attack':40B 'bypass':9A,30B,64C 'check':32B 'could':71C 'cve':11A,14A 'due':65C 'escal':44B,75C 'execut':48B,81C 'exploit':90C 'extra':47B 'flaw':21B 'get':41B 'grant':3A 'handl':4A 'improp':67C 'infrastructur':18B 'input':34B,68C 'interact':53B,85C 'lead':72C 'let':5A,26B 'local':7A,28B,42B,74C 'mobil':19B 'need':54B,83C,88C 'permiss':10A,31B,63C 'possibl':62C 'privileg':43B,77C,82C 'proper':38B 'right':49B 'uri':2A 'urigrantsmanagerservic':25B 'urigrantsmanagerservice.java':58C 'user':52B,84C 'valid':37B,69C 'writegranteduripermiss':56C","nicknames":[],"mitigations":[],"who_affected":"Affects Android devices with the vulnerable UriGrantsManagerService code; the sources do not name affected versions. Any installed app on an affected device could be the starting point, so the sources do not say who can skip it.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","infrastructure","mobile","unknown"],"first_public_at":"2026-11-02T20:17:41+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-28597","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28597","severity":null,"published_at":"2026-11-02T20:17:41+00:00","modified_at":"2026-11-02T20:17:41+00:00","first_seen_at":"2026-11-02T20:35:26+00:00","fetched_at":"2026-11-02T20:35:26+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"}