CVE-2026-94400

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead denial of service via Excessive Allocation (CAPEC-130)

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://discuss.elastic.co/t/kibana-8-19-22-9-4-7-9-5-3-security-update-esa-2026-181/390685	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

29 Sep 2026, 20:08

Type	Values Removed	Values Added
CPE		cpe:2.3:a:elastic:kibana::::::::
References	~~() https://discuss.elastic.co/t/kibana-8-19-22-9-4-7-9-5-3-security-update-esa-2026-181/390685 -~~	() https://discuss.elastic.co/t/kibana-8-19-22-9-4-7-9-5-3-security-update-esa-2026-181/390685 - Vendor Advisory
First Time		Elastic Elastic kibana

26 Sep 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-26 21:16

Updated : 2026-09-29 20:08

NVD link : CVE-2026-94400

Mitre link : CVE-2026-94400

CVE.ORG link : CVE-2026-94400

JSON object : View

Products Affected

elastic

kibana

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2026-94400", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-94400", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-26T22:59:41.757778Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@elastic.co", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security@elastic.co", "affectedData": [{"vendor": "Elastic", "product": "Kibana", "versions": [{"status": "affected", "version": "8.0.0", "versionType": "semver", "lessThanOrEqual": "8.19.21"}, {"status": "affected", "version": "9.0.0", "versionType": "semver", "lessThanOrEqual": "9.4.6"}, {"status": "affected", "version": "9.5.0", "versionType": "semver", "lessThanOrEqual": "9.5.2"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-26T21:16:56.513", "references": [{"url": "https://discuss.elastic.co/t/kibana-8-19-22-9-4-7-9-5-3-security-update-esa-2026-181/390685", "tags": ["Vendor Advisory"], "source": "security@elastic.co"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@elastic.co", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "Uncontrolled Resource Consumption (CWE-400) in Kibana can lead denial of service via Excessive Allocation (CAPEC-130)"}], "lastModified": "2026-09-29T20:08:27.480", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C4646200-614E-4F99-B564-94BD3B267B12", "versionEndExcluding": "8.19.22", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51B034B7-56C9-4DBE-87EC-7B4268C1B426", "versionEndExcluding": "9.4.7", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "09DBAE82-4348-4189-BFB0-E7D7549FD2D2", "versionEndExcluding": "9.5.3", "versionStartIncluding": "9.5.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@elastic.co"}