{"id":"CVE-2026-79894","kind":"vulnerability","aliases":["CVE-2026-79894"],"related":[],"title":"AOS-8: unauthenticated PAPI protocol flaw lets attackers disrupt availability","description":"An unauthenticated Denial-of-Service (DoS) vulnerability exists in the PAPI protocol of AOS-8. Successful exploitation of this vulnerability results in the ability to disrupt the availability of the affected interface.","summary":"AOS-8 has a PAPI protocol flaw that needs no login and can knock the affected interface offline. An attacker gets a denial of service, not code execution or data access.","severity":"high","cvss":7.5,"epss":0.00324,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["aos-8","infrastructure","network-controller"],"not_affected_if":[],"how_to_check":"- unknown","fix":"- unknown","status":"open","published_at":"2026-10-22T19:18:01+00:00","first_seen_at":"2026-10-23T21:57:32+00:00","triaged_at":"2026-10-25T03:15:05+00:00","updated_at":"2026-10-25T03:15:05+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-25T03:15:05Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"network","title":"AOS-8: unauthenticated PAPI protocol flaw lets attackers disrupt availability","impact":"low","summary":"AOS-8 has a PAPI protocol flaw that needs no login and can knock the affected interface offline. An attacker gets a denial of service, not code execution or data access.","category":"infrastructure","nicknames":[],"who_cares":["aos-8","network-controller"],"confidence":0.5,"needs_auth":"no","worst_case":"Affected interface becomes unavailable to legitimate users","analyst_note":"Find the affected AOS-8 versions, the PAPI port, and the vendor advisory for the fixed release at the NVD entry.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Organizations running AOS-8 network controllers with the PAPI protocol reachable on the network. The sources do not list affected versions or whether PAPI is enabled by default, so unknown.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000527,"input_tokens":3338,"output_tokens":386,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':12A,15A '-79894':13A,16A '-8':2A,18B,24B,69C 'abil':78C 'access':53B 'affect':38B,85C 'ao':1A,17B,23B,68C 'attack':8A,42B 'avail':10A,82C 'code':49B 'control':22B 'cve':11A,14A 'data':52B 'denial':45B,57C 'denial-of-servic':56C 'disrupt':9A,80C 'dos':60C 'execut':50B 'exist':62C 'exploit':71C 'flaw':6A,29B 'get':43B 'infrastructur':19B 'interfac':39B,86C 'knock':36B 'let':7A 'login':33B 'need':31B 'network':21B 'network-control':20B 'offlin':40B 'papi':4A,27B,65C 'protocol':5A,28B,66C 'result':75C 'servic':47B,59C 'success':70C 'unauthent':3A,55C 'vulner':61C,74C","nicknames":[],"mitigations":[],"who_affected":"Organizations running AOS-8 network controllers with the PAPI protocol reachable on the network. The sources do not list affected versions or whether PAPI is enabled by default, so unknown.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-22T19:18:01+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_by":"security-alert@hpe.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-79894","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79894","severity":null,"published_at":"2026-10-22T19:18:01+00:00","modified_at":"2026-10-23T20:17:27+00:00","first_seen_at":"2026-10-23T21:57:32+00:00","fetched_at":"2026-10-23T22:29:03+00:00","note":null},{"source":"epss","external_id":"CVE-2026-79894","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-79894","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-24T07:15:51+00:00","fetched_at":"2026-10-24T07:15:51+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"}