{"id":"CVE-2026-59583","kind":"vulnerability","aliases":["CVE-2026-59583"],"related":[],"title":"Android SIP helper: scheme downgrade exposes authentication credentials in cleartext","description":"In FormCredentials of SipAuHelper.cpp, there is a possible way to disclose authentication credentials in cleartext via a scheme downgrade due to improper input validation. This could lead to remote information disclosure with System execution privileges needed. User interaction is not needed for exploitation.","summary":"A flaw in the SIP authentication helper code (SipAuHelper.cpp, FormCredentials) lets a scheme downgrade expose authentication credentials in cleartext. An attacker on the network could read those credentials remotely, and no user interaction is needed.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["android","other","sip"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-10T20:19:29+00:00","first_seen_at":"2026-11-10T20:46:12+00:00","triaged_at":"2026-11-10T20:50:00+00:00","updated_at":"2026-11-10T20:50:00+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T20:50:00Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"Android SIP helper: scheme downgrade exposes authentication credentials in cleartext","impact":"high","summary":"A flaw in the SIP authentication helper code (SipAuHelper.cpp, FormCredentials) lets a scheme downgrade expose authentication credentials in cleartext. An attacker on the network could read those credentials remotely, and no user interaction is needed.","audience":"everyone","category":"other","nicknames":[],"who_cares":["android","sip"],"confidence":0.5,"fix_status":"unknown","needs_auth":"unknown","worst_case":"SIP login credentials readable in cleartext over the network","analyst_note":"Confirm the affected product and versions from the NVD entry or the vendor's Android security bulletin; the sources give no product or fix.","how_to_check":"unknown","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"no","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000647,"input_tokens":4544,"output_tokens":386,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-59583':13A,16A 'android':1A,17B 'attack':40B 'authent':7A,25B,35B,66C 'cleartext':10A,38B,69C 'code':27B 'could':44B,80C 'credenti':8A,36B,47B,67C 'cve':11A,14A 'disclos':65C 'disclosur':85C 'downgrad':5A,33B,73C 'due':74C 'execut':88C 'exploit':97C 'expos':6A,34B 'flaw':21B 'formcredenti':29B,56C 'helper':3A,26B 'improp':76C 'inform':84C 'input':77C 'interact':52B,92C 'lead':81C 'let':30B 'need':54B,90C,95C 'network':43B 'possibl':62C 'privileg':89C 'read':45B 'remot':48B,83C 'scheme':4A,32B,72C 'sip':2A,19B,24B 'sipauhelper.cpp':28B,58C 'system':87C 'user':51B,91C 'valid':78C 'via':70C 'way':63C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"everyone","plain_action":null,"pkeys":[],"ptokens":[],"labels":["android","other","sip","unknown"],"campaign_type":null,"search_a":"'-2026':12A,15A '-59583':13A,16A 'android':1A 'authent':7A 'cleartext':10A 'credenti':8A 'cve':11A,14A 'downgrad':5A 'expos':6A 'helper':3A 'scheme':4A 'sip':2A","search_b":"'android':17B 'attack':40B 'authent':25B,35B 'cleartext':38B 'code':27B 'could':44B 'credenti':36B,47B 'downgrad':33B 'expos':34B 'flaw':21B 'formcredenti':29B 'helper':26B 'interact':52B 'let':30B 'need':54B 'network':43B 'read':45B 'remot':48B 'scheme':32B 'sip':19B,24B 'sipauhelper.cpp':28B 'user':51B","search_c":"'authent':66C 'cleartext':69C 'could':80C 'credenti':67C 'disclos':65C 'disclosur':85C 'downgrad':73C 'due':74C 'execut':88C 'exploit':97C 'formcredenti':56C 'improp':76C 'inform':84C 'input':77C 'interact':92C 'lead':81C 'need':90C,95C 'possibl':62C 'privileg':89C 'remot':83C 'scheme':72C 'sipauhelper.cpp':58C 'system':87C 'user':91C 'valid':78C 'via':70C 'way':63C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T20:19:29+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-59583","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59583","severity":null,"published_at":"2026-11-10T20:19:29+00:00","modified_at":"2026-11-10T20:19:29+00:00","first_seen_at":"2026-11-10T20:46:12+00:00","fetched_at":"2026-11-10T20:46:12+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"}