{"id":"CVE-2026-79885","kind":"vulnerability","aliases":["CVE-2026-79885"],"related":[],"title":"Aruba AOS-8: unauthenticated PAPI flaw lets remote attackers write files","description":"An unauthenticated file write vulnerability exists in the PAPI protocol in AOS-8. Successful exploitation could allow an unauthenticated remote attacker to make limited modifications to files on the affected system and to disrupt the availability of the affected service.","summary":"An unauthenticated file write flaw exists in the PAPI protocol of Aruba AOS-8 controllers. A remote attacker can make limited modifications to files on the affected system and disrupt the availability of the service.","severity":"high","cvss":8.2,"epss":0.00239,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["aos-8","aruba","infrastructure","network-appliances","wireless-controllers"],"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":"2026-10-25T03:03:37+00:00","updated_at":"2026-10-25T03:03:37+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-25T03:03:37Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"network","title":"Aruba AOS-8: unauthenticated PAPI flaw lets remote attackers write files","impact":"medium","summary":"An unauthenticated file write flaw exists in the PAPI protocol of Aruba AOS-8 controllers. A remote attacker can make limited modifications to files on the affected system and disrupt the availability of the service.","category":"infrastructure","nicknames":[],"who_cares":["aruba","aos-8","wireless-controllers","network-appliances"],"confidence":0.6,"needs_auth":"no","worst_case":"Remote attacker modifies system files and disrupts the service","analyst_note":"Check the vendor advisory for affected AOS-8 versions, fixed releases, and whether PAPI is enabled by default; NVD page has no version data.","how_to_check":"- unknown","needs_analyst":true,"not_affected_if":[],"who_is_affected":"AOS-8 deployments that expose the PAPI protocol to the network are affected. The sources do not say which AOS-8 versions or configurations are vulnerable, or whether PAPI is reachable by default. unknown","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000549,"input_tokens":3333,"output_tokens":431,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-2026':13A,16A '-79885':14A,17A '-8':3A,19B,41B,75C 'affect':54B,92C,101C 'allow':79C 'ao':2A,18B,40B,74C 'applianc':24B 'aruba':1A,20B,39B 'attack':9A,45B,83C 'avail':59B,98C 'control':27B,42B 'could':78C 'cve':12A,15A 'disrupt':57B,96C 'exist':33B,68C 'exploit':77C 'file':11A,30B,51B,65C,89C 'flaw':6A,32B 'infrastructur':21B 'let':7A 'limit':48B,86C 'make':47B,85C 'modif':49B,87C 'network':23B 'network-appli':22B 'papi':5A,36B,71C 'protocol':37B,72C 'remot':8A,44B,82C 'servic':62B,102C 'success':76C 'system':55B,93C 'unauthent':4A,29B,64C,81C 'vulner':67C 'wireless':26B 'wireless-control':25B 'write':10A,31B,66C","nicknames":[],"mitigations":[],"who_affected":"AOS-8 deployments that expose the PAPI protocol to the network are affected. The sources do not say which AOS-8 versions or configurations are vulnerable, or whether PAPI is reachable by default. 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:L/A:H","cvss_by":"security-alert@hpe.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-79885","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79885","severity":null,"published_at":"2026-10-22T19:18:01+00:00","modified_at":"2026-10-23T20:17:26+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-2026-79885","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-79885","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"}