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CVE-2026-56151 Improper Input Validation in Kibana Leading to Denial of Service

🗓️ 01 Jul 2026 16:29:25Reported by elasticType 
cvelist
 cvelist
🔗 www.cve.org👁 67 Views

Improper input validation in Kibana allows authenticated users to cause denial of service with crafted Fleet policy input.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-56151
1 Jul 202616:29
–attackerkb
bdu_fstec
BDU FSTEC
The vulnerability of the Fleet Agent processing mechanism of the Kibana data visualization service allows a perpetrator to trigger a service failure.
25 Sep 202600:00
–bdu_fstec
circl
Circl
CVE-2026-56151
2 Jul 202604:42
–circl
cve
CVE
CVE-2026-56151
1 Jul 202616:29
–cve
elastic
Elastic
Kibana 8.19.17, 9.3.6, 9.4.3 Security Update (ESA-2026-45)
1 Jul 202613:56
–elastic
euvd
EUVD
EUVD-2026-41085
1 Jul 202616:29
–euvd
nessus
Tenable Nessus
Kibana 8.x < 8.19.17 / 9.x < 9.3.6 / 9.4.x < 9.4.3 DoS (ESA-2026-45)
10 Jul 202600:00
–nessus
mend
Mend
CVE-2026-56151
1 Jul 202616:29
–mend
nvd
NVD
CVE-2026-56151
1 Jul 202617:16
–nvd
osv-mini
osv-mini
MINI-354G-P288-Q9XP
3 Jul 202613:32
–osv-mini
Rows per page
[
  {
    "defaultStatus": "unaffected",
    "product": "Kibana",
    "vendor": "Elastic",
    "versions": [
      {
        "lessThanOrEqual": "9.3.5",
        "status": "affected",
        "version": "9.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.19.16",
        "status": "affected",
        "version": "8.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.4.2",
        "status": "affected",
        "version": "9.4.0",
        "versionType": "semver"
      }
    ]
  }
]

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