CVE-2026-4498

Execution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana user with Fleet sub-feature privileges (such as agents, agent policies, and settings management).

CVSS v3 7.7 HIGH

7.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.1 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://discuss.elastic.co/t/kibana-8-19-14-9-2-8-9-3-3-security-update-esa-2026-21/385811	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:elastic:kibana::::::::
	cpe:2.3:a:elastic:kibana::::::::
	cpe:2.3:a:elastic:kibana::::::::

History

No history.

Information

Published : 2026-04-08 17:21

Updated : 2026-07-25 10:10

NVD link : CVE-2026-4498

Mitre link : CVE-2026-4498

CVE.ORG link : CVE-2026-4498

JSON object : View

Products Affected

elastic

kibana

CWE

CWE-250

Execution with Unnecessary Privileges

{"id": "CVE-2026-4498", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4498", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-09T14:27:31.273591Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@elastic.co", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "security@elastic.co", "affectedData": [{"vendor": "Elastic", "product": "Kibana", "versions": [{"status": "affected", "version": "8.0.0", "versionType": "semver", "lessThanOrEqual": "8.19.13"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-08T17:21:24.300", "references": [{"url": "https://discuss.elastic.co/t/kibana-8-19-14-9-2-8-9-3-3-security-update-esa-2026-21/385811", "tags": ["Vendor Advisory"], "source": "security@elastic.co"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@elastic.co", "description": [{"lang": "en", "value": "CWE-250"}]}], "descriptions": [{"lang": "en", "value": "Execution with Unnecessary Privileges (CWE-250) in Kibana\u2019s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana user with Fleet sub-feature privileges (such as agents, agent policies, and settings management)."}, {"lang": "es", "value": "La Ejecuci\u00f3n con Privilegios Innecesarios (CWE-250) en los manejadores de rutas de depuraci\u00f3n del plugin Fleet de Kibana puede llevar a la lectura de datos de \u00edndices m\u00e1s all\u00e1 de su alcance directo de RBAC de Elasticsearch a trav\u00e9s de Abuso de Privilegios (CAPEC-122). Esto requiere un usuario autenticado de Kibana con privilegios de subcaracter\u00edsticas de Fleet (como agentes, pol\u00edticas de agentes y gesti\u00f3n de configuraciones)."}], "lastModified": "2026-07-25T10:10:00.167", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF93FCD4-2955-45FD-B96D-925121A156F7", "versionEndExcluding": "8.19.14", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "301F60F3-1479-432C-875A-76797F9A16D8", "versionEndExcluding": "9.2.8", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5EE7B9F3-E587-498B-822D-785CB848F767", "versionEndExcluding": "9.3.3", "versionStartIncluding": "9.3.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@elastic.co"}