{"id":"CVE-2026-79866","title":"Unauthenticated Adjacent Path Traversal Vulnerability leads to Filesystem Compromise in AOS-8","summary":"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 oper…","severity":"critical","cvss":9.6,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","vendor":"Hewlett Packard Enterprise (HPE)","product":"ArubaOS (AOS)","affected":["arubaos_aos >= 8.13.0.0 <= 8.13.3.0","arubaos_aos >= 8.10.0.0 <= 8.10.0.23"],"published":"2026-10-22","updated":"2026-10-23","sourceUpdated":"2026-10-23T19:13:10.352Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-79866","references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US"}],"tags":["cve.org"],"epss":0.00242,"epssPercentile":0.15239,"ingestedAt":"2026-10-22T22:00:50.379Z","slug":"CVE-2026-79866","body":"## Overview\n\nAn 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.\n\n## Affected\n\n- `arubaos_aos >= 8.13.0.0 <= 8.13.3.0`\n- `arubaos_aos >= 8.10.0.0 <= 8.10.0.23`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":52.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}