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CVE-2026-42400

🗓️ 28 May 2026 19:42:11Reported by elasticType 
cve
 cve
🔗 web.nvd.nist.gov👁 78 Views

Authenticated user can crash Kibana with a crafted compressed payload before authorization.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42400
28 May 202619:42
–attackerkb
bdu_fstec
BDU FSTEC
Kibana Preprocessing DoS
25 Sep 202600:00
–bdu_fstec
circl
Circl
CVE-2026-42400
29 May 202614:45
–circl
cnnvd
CNNVD
Elastic Kibana security vulnerabilities
28 May 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-42400 Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
28 May 202619:42
–cvelist
elastic
Elastic
Kibana 8.19.16, 9.3.5, 9.4.2 Security Update (ESA-2026-35)
28 May 202619:25
–elastic
euvd
EUVD
EUVD-2026-33030
28 May 202619:42
–euvd
nessus
Tenable Nessus
Kibana 8.x < 8.19.16 / 9.0.x < 9.3.5 / 9.4.x < 9.4.2 Multiple Vulnerabilities (ESA-2026-35 / ESA-2026-38)
4 Jun 202600:00
–nessus
mend
Mend
CVE-2026-42400
28 May 202619:42
–mend
nvd
NVD
CVE-2026-42400
28 May 202621:16
–nvd
Rows per page
NVD
Vulners
Node
OR
elastickibanaRange8.0.0–8.19.16
elastickibanaRange9.0.0–9.3.5
elastickibanaRange9.4.0–9.4.2
[
  {
    "defaultStatus": "unaffected",
    "product": "Kibana",
    "vendor": "Elastic",
    "versions": [
      {
        "lessThanOrEqual": "9.4.1",
        "status": "affected",
        "version": "9.4.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.3.4",
        "status": "affected",
        "version": "9.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.19.15",
        "status": "affected",
        "version": "8.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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14 Oct 2026 20:10Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.16.5
EPSS0.00472
SSVC
78