{"id":"CVE-2026-79866","published":"2026-10-22T19:17:58Z","modified":"2026-10-30T19:19:13Z","title":"An unauthenticated path traversal vulnerability exists in the PAPI protocol in AOS-8","vendor":"Hewlett Packard Enterprise (HPE)","product":"ArubaOS (AOS)","tier":"core","eol":null,"description":{"text":"An unauthenticated path traversal vulnerability exists in the PAPI protocol in AOS-8. Successful exploitation of this vulnerability could allow an unauthenticated adjacent attacker to read, modify, and delete files on the underlying operating system.","provenance":"source","from":"NVD"},"summary":{"text":"An unauthenticated path traversal vulnerability in the PAPI protocol of ArubaOS (AOS) from Hewlett Packard Enterprise (HPE), specifically in its AOS-8 line, lets an attacker escape intended directory boundaries. An unauthenticated attacker on an adjacent network can read, modify, and delete files on the underlying operating system, with no user interaction and no valid credentials required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:25:16Z"},"cvss":{"score":9.6,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00242,"percentile":0.15377,"date":"2026-10-30","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":6,"pulses":[{"name":"Known_Cve | Oct 31, 2026 | Part 1/3","url":"https://otx.alienvault.com/pulse/6ae4af0017a739f65534f550","created":"2026-10-30"},{"name":"Known_Cve | Oct 30, 2026 | Part 1/2","url":"https://otx.alienvault.com/pulse/6ae35d8e6ee9e838fd042498","created":"2026-10-29"},{"name":"Known_Cve | Oct 29, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6ae20c290cecfbc79bd84822","created":"2026-10-28"},{"name":"Known_Cve | Oct 28, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6ae0ba8e2d29f6aa1bfe6f11","created":"2026-10-27"},{"name":"Known_Cve | Oct 27, 2026 | Part 2/3","url":"https://otx.alienvault.com/pulse/6adf68c4585d98c8d3af5bea","created":"2026-10-26"},{"name":"Known_Cve | Oct 24, 2026 | Part 3/3","url":"https://otx.alienvault.com/pulse/6adb7421f0eaee440740fbf3","created":"2026-10-23"}],"provenance":"machine"},"cwes":[{"id":"CWE-22","name":"Improper Limitation of a Pathname to a Restricted Directory"}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-108366","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108366","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-22","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79866","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":11.7,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":3.08,"detail":"percentile 0.1538"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.92,"detail":"6 pulses"},{"name":"CVSS severity","points":6.72,"detail":"base score 9.6"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}