{"id":"CVE-2026-35495","kind":"vulnerability","aliases":["CVE-2026-35495"],"related":[],"title":"IMS stack: improper SIP packet handling enables incorrect access control","description":"In IMS stack, improper handling of SIP packets leads to Incorrect_Access_Control vulnerability","summary":"The IMS stack mishandles SIP packets, which leads to an incorrect access control weakness. The sources do not state what an attacker can reach or do beyond that.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ims","infrastructure","sip","telecom"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-11-05T03:17:27+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","triaged_at":"2026-11-05T03:33:49+00:00","updated_at":"2026-11-05T03:33:49+00:00","category":"infrastructure","confidence":0.3,"triage":{"at":"2026-11-05T03:33:49Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"network","title":"IMS stack: improper SIP packet handling enables incorrect access control","impact":"medium","summary":"The IMS stack mishandles SIP packets, which leads to an incorrect access control weakness. The sources do not state what an attacker can reach or do beyond that.","audience":"businesses","category":"infrastructure","nicknames":[],"who_cares":["ims","sip","telecom"],"confidence":0.3,"fix_status":"unknown","needs_auth":"unknown","worst_case":"unknown; access control bypass suspected, scope not stated","analyst_note":"Find the vendor or NVD record naming the affected IMS product, versions and fixed release; confirm the access control impact at https://nvd.nist.gov/vuln/detail/CVE-2026-35495","how_to_check":"unknown","plain_action":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"unknown","user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.0006,"input_tokens":4152,"output_tokens":370,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-35495':13A,16A 'access':9A,32B,59C 'attack':42B 'beyond':47B 'control':10A,33B,60C 'cve':11A,14A 'enabl':7A 'handl':6A,52C 'im':1A,17B,22B,49C 'improp':3A,51C 'incorrect':8A,31B,58C 'infrastructur':18B 'lead':28B,56C 'mishandl':24B 'packet':5A,26B,55C 'reach':44B 'sip':4A,19B,25B,54C 'sourc':36B 'stack':2A,23B,50C 'state':39B 'telecom':20B 'vulner':61C 'weak':34B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["ims","infrastructure","sip","telecom","unknown"],"campaign_type":null,"first_public_at":"2026-11-05T03:17:27+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-35495","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35495","severity":null,"published_at":"2026-11-05T03:17:27+00:00","modified_at":"2026-11-05T03:17:27+00:00","first_seen_at":"2026-11-05T03:31:43+00:00","fetched_at":"2026-11-05T03:31:43+00:00","note":null}],"documents":[],"exploit_sources":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}