{"id":"CVE-2026-79856","published":"2026-10-22T19:17:57Z","modified":"2026-10-26T14:18:54Z","title":"A buffer overflow vulnerability exists in the PAPI protocol of AOS-8 that could allow an unauthenticated remote…","vendor":"Hewlett Packard Enterprise (HPE)","product":"ArubaOS (AOS)","tier":"core","eol":null,"description":{"text":"A buffer overflow vulnerability exists in the PAPI protocol of AOS-8 that could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data.","provenance":"source","from":"NVD"},"summary":{"text":"A buffer overflow in the PAPI protocol of ArubaOS (AOS-8), a Hewlett Packard Enterprise product, lets an unauthenticated remote attacker bypass existing authentication controls. Exploitation requires only network access to the affected PAPI service, with no credentials and no user interaction, and can lead to administrative access, changes to system configuration, and access to or manipulation of sensitive data.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:24:18Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00611,"percentile":0.49196,"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-119","name":"Improper Restriction of Operations within the Bounds of a Memory Buffer"}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-108356","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108356","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-2026-79856","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":18.6,"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":9.84,"detail":"percentile 0.4920"},{"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":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}