{"id":"CVE-2026-79856","aliases":["EUVD-2026-108356","GHSA-5x4g-4q46-f9mw"],"status":"published","title":"Unauthenticated Buffer Overflow Vulnerability leads to Authentication Bypass in AOS-8","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00611,"percentile":0.49696,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2026-10-22T19:05:05Z","modified":"2026-10-26T14:18:54Z","products":[{"vendor":"hewlett packard enterprise (hpe)","product":"arubaos (aos)"}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us\u0026docLocale=en_US"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79856"},{"url":"https://github.com/advisories/GHSA-5x4g-4q46-f9mw"}],"sources":{"cve":[{"id":"CVE-2026-79856","title":"Unauthenticated Buffer Overflow Vulnerability leads to Authentication Bypass in AOS-8","description":"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.","status":"published","published":"2026-10-22T19:05:05.25Z","modified":"2026-10-24T03:55:57.628Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T13:50:38.739766Z"}],"euvd":[{"id":"EUVD-2026-108356","description":"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.","status":"published","published":"2026-10-22T19:05:05Z","modified":"2026-10-24T03:55:57Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:59:31.162656Z"}],"ghsa":[{"id":"GHSA-5x4g-4q46-f9mw","title":"No description provided","description":"No description provided","status":"published","published":"2026-10-22T21:32:47Z","modified":"2026-10-23T21:35:55Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:14:20.706608Z"}],"nvd":[{"id":"CVE-2026-79856","description":"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.","status":"published","published":"2026-10-22T19:17:57.857Z","modified":"2026-10-26T14:18:54.933Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:13:02.724605Z"}]}}