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Back to active CVEs
Critical · CVSS 9.3CVE-2026-84731

Pre-Authentication Admin Bypass and Remote Code Execution in Nutanix Prism Gateway inside AOSCVE-2026-84731

Answer in brief

CVE-2026-84731 records a Critical severity (CVSS 9.3) vulnerability in Pre-Authentication Admin Bypass and Remote Code Execution in Nutanix Prism Gateway inside AOS. The current sources do not mark it as known exploited. The current feed maps Nutanix/Acropolis Operating System (AOS) (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 15, 2026Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Nutanix/Acropolis Operating System (AOS) (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Nutanix/Acropolis Operating System (AOS)generic>=0 <7.3.1.18 || >=7.5 <7.5.2 || >=7.6 <7.6.0.87.3.1.18, 7.5.2, 7.6.0.8

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Nutanix/Acropolis Operating System (AOS).
  2. 2Review the reported fix. Source-reported solution: Upgrade affected Nutanix AOS deployments to version 7.3.1.18, 7.5.2, 7.6.0.8 or later fixed releases.

Evidence timeline and material changes

  1. Published upstream

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • Source referencedownload.nutanix.com
  • Source referenceportal.nutanix.com
  • Source referencenutanix.com
Upstream source description

An unauthenticated remote attacker can bypass authentication and gain full access to administrative API endpoints in Nutanix Prism Element by including a crafted internal management HTTP header. The vulnerability is caused by a misconfiguration in the application's authentication filters. Consequently, the server responds with a Set-Cookie header containing a valid JSESSIONID. This session cookie decodes to a JSON Web Token (JWT) granting maximum cluster administrative privileges. Successful exploitation allows the attacker to execute root-level commands on all Controller VMs (CVMs) in the cluster, leading to complete cluster destruction and unauthorized access to VM memory and virtual disks.

Quoted source text, attributed separately from HOL analysis.

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Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-306, CWE-290, CWE-302
Source
CVE List V5
Source checked
Oct 15, 2026
References
3 linked sources
Open source record