PatchSiren cyber security CVE debrief
CVE-2026-79875 Hewlett Packard Enterprise (HPE) CVE debrief
CVE-2026-79875 is a critical authentication bypass vulnerability in the PAPI protocol of AOS-8. Successful exploitation could allow an unauthenticated adjacent attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data. Network administrators, security teams, and IT personnel should assess exposure and implement defensive measures, including reviewing and applying vendor-provided patches, implementing additional authentication mechanisms, and monitoring system configurations and sensitive data access.
- Vendor
- Hewlett Packard Enterprise (HPE)
- Product
- ArubaOS (AOS)
- CVSS
- CRITICAL 9.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-22
- Original CVE updated
- 2026-10-30
- Advisory published
- 2026-10-22
- Advisory updated
- 2026-10-30
Who should care
Network administrators, security teams, and IT personnel responsible for managing AOS-8 systems should assess exposure and implement defensive measures, including reviewing and applying vendor-provided patches, implementing additional authentication mechanisms, and monitoring system configurations and sensitive data access. They should also verify system configurations and sensitive data access, and plan vendor-supported updates or mitigations through正常 ̄
Why it matters
CVE-2026-79875 is a critical vulnerability in the PAPI protocol of AOS-8 that could allow unauthorized administrative access, modify system configurations, and access or manipulate sensitive data. Network administrators, security teams, and IT personnel should assess exposure and implement defensive measures, including reviewing and applying vendor-provided patches, implementing additional authentication mechanisms, and monitoring system configurations and sensitive data access.
- Potential unauthorized administrative access to AOS-8 systems
- Possible modification of system configurations
- Potential access or manipulation of sensitive data
- Verification of system configurations and sensitive data access
Technical summary
A vulnerability in the PAPI protocol of AOS-8 could allow an unauthenticated adjacent attacker to bypass existing authentication controls, potentially gaining administrative access, modifying system configurations, and accessing or manipulating sensitive data. The vulnerability has a CVSS score of 9.3 and a severity of CRITICAL. There is no information on known affected scope, but defenders should verify system configurations and sensitive data access. The CVE record was published on 2026-10-22T19:05:43.906Z and has not been modified since then.
Defensive priority
High
Recommended defensive actions
- Review and apply vendor-provided patches for AOS-8
- Implement additional authentication mechanisms for PAPI protocol
- Monitor system configurations and sensitive data access
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
- Review compensating controls for exposed systems while remediation is scheduled and verified.
- Check relevant monitoring, detection, and logs for exposed assets that need extra review.
Evidence notes
Official CVE Program and NVD records indicate an authentication bypass vulnerability in the PAPI protocol of AOS-8, potentially allowing unauthorized administrative access. The CVE record was published on 2026-10-22T19:05:43.906Z and has not been modified since then. The vulnerability has a CVSS score of 9.3 and a severity of CRITICAL. There is no information on known affected scope, but defenders should verify system configurations and sensitive data access.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-79875 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-79875
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-79875 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79875
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Authentication Bypass in the PAPI Protocol of AOS-8 Allows Unauthorized Administrative Access
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/79xxx/CVE-2026-79875.json
cve_program_cvelist_v5
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.