CVE-2026-26935

Improper Input Validation in Kibana Leading to Denial of Service

Published Feb 26, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
cpe:2.3:a:elastic:kibana:9.3.0:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Elastic
Elastic kibana
Vendors & Products Elastic
Elastic kibana
Type Values Removed Values Added
Description Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)
Title Improper Input Validation in Kibana Leading to Denial of Service
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
elastic
Published
Updated
Feb 26, 2026, 6:28 PM
Reserved
Feb 16, 2026, 4:42 PM
Status
Analyzed
Published
Feb 26, 2026, 6:23 PM
Modified
Jun 17, 2026, 10:26 AM