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Kibana CVE-2026-26935

MEDIUM
Improper Input Validation (CWE-20)
2026-02-26 security@elastic.co
6.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 26, 2026 - 18:23 nvd
MEDIUM 6.5

DescriptionNVD

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)

AnalysisAI

Kibana's Content Connectors search endpoint fails to properly validate user input, allowing authenticated attackers to trigger a denial of service condition through crafted request data. This medium-severity vulnerability affects systems where users have login credentials and can be exploited without user interaction.

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RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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CVE-2026-26935 vulnerability details – vuln.today

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