CVE-2026-84731

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84731", "assignerOrgId": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "state": "PUBLISHED", "assignerShortName": "Nutanix", "dateReserved": "2026-09-02T06:41:54.722Z", "datePublished": "2026-10-15T17:10:29.432Z", "dateUpdated": "2026-10-15T19:14:57.185Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "shortName": "Nutanix", "dateUpdated": "2026-10-15T17:10:29.432Z"}, "title": "Pre-Authentication Admin Bypass and Remote Code Execution in Nutanix Prism Gateway inside AOS", "datePublic": "2026-10-15T17:11:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing authentication for critical function", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-290", "description": "CWE-290 Authentication bypass by spoofing", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-302", "description": "CWE-302 Authentication bypass by Assumed-Immutable data", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "affected": [{"vendor": "Nutanix", "product": "Acropolis Operating System (AOS)", "modules": ["Prism Gateway"], "versions": [{"status": "affected", "version": "0", "lessThan": "7.3.1.18", "changes": [{"at": "7.3.1.18", "status": "unaffected"}], "versionType": "custom"}, {"status": "affected", "version": "7.5", "lessThan": "7.5.2", "changes": [{"at": "7.5.2", "status": "unaffected"}], "versionType": "custom"}, {"status": "affected", "version": "7.6", "lessThan": "7.6.0.8", "changes": [{"at": "7.6.0.8", "status": "unaffected"}], "versionType": "custom"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nutanix:aos_:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "7.3.1.18"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nutanix:aos_:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.5", "versionEndExcluding": "7.5.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:nutanix:aos_:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.6", "versionEndExcluding": "7.6.0.8"}]}]}], "descriptions": [{"lang": "en", "value": "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.\n\n\n\nConsequently, 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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p><p>Consequently, the server responds with a <code>Set-Cookie</code> header containing a valid <code>JSESSIONID</code>. 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The vulnerability is caused by a misconfiguration in the application's authentication filters.\n\n\n\nConsequently, 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.", "supportingMedia": [{"type": "text/html", "value": "<p>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.</p><p>Consequently, the server responds with a <code>Set-Cookie</code> header containing a valid <code>JSESSIONID</code>. 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["Prism Gateway"], "product": "Acropolis Operating System (AOS)", "vendor": "Nutanix", "versions": [{"changes": [{"at": "7.3.1.18", "status": "unaffected"}], "lessThan": "7.3.1.18", "status": "affected", "version": "0", "versionType": "custom"}, {"changes": [{"at": "7.5.2", "status": "unaffected"}], "lessThan": "7.5.2", "status": "affected", "version": "7.5", "versionType": "custom"}, {"changes": [{"at": "7.6.0.8", "status": "unaffected"}], "lessThan": "7.6.0.8", "status": "affected", "version": "7.6", "versionType": "custom"}]}], "source": "2ffdacf6-8681-47df-b023-4f11abd61c1d"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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.\n\n\n\nConsequently, 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."}], "id": "CVE-2026-84731", "lastModified": "2026-10-16T19:55:59.740", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "USER", "Safety": "NEGLIGIBLE", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "RED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "CONCENTRATED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:H/U:Red", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "HIGH"}, "source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "type": "Secondary"}], "ssvcV203": [{"source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "ssvcData": {"options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CNA", "version": "2.0.3"}}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-84731", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T17:29:00.505460Z", "version": "2.0.3"}}]}, "published": "2026-10-15T18:17:29.960", "references": [{"source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "url": "https://download.nutanix.com/alerts/Security_Advisory_0058.pdf"}, {"source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "url": "https://portal.nutanix.com/page/documents/list?type=software&filterKey=software&filterVal=AOS"}, {"source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "url": "https://www.nutanix.com/support"}], "sourceIdentifier": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}, {"lang": "en", "value": "CWE-302"}, {"lang": "en", "value": "CWE-306"}], "source": "2ffdacf6-8681-47df-b023-4f11abd61c1d", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,7.3.1.18)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[7.5,7.5.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[7.6,7.6.0.8)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Acropolis Operating System (AOS)", "source": "cna", "vendor": "Nutanix"}, "product": "aos_", "vendor": "nutanix"}], "created": "2026-10-16T21:00:14.205026+00:00", "updated": "2026-10-24T02:00:15.664664+00:00", "vendors": ["nutanix", "nutanix$PRODUCT$aos_"]}