ByteOS Network

CVE Vulnerability Details :

CVE-2026-26935

PUBLISHED

More Info Official Page

Assigner-elastic

Assigner Org ID-271b6943-45a9-4f3a-ab4e-976f3fa05b5a

Published At-26 Feb, 2026 | 17:05

Updated At-26 Feb, 2026 | 18:28

▼CVE Numbering Authority (CNA)

Improper Input Validation in Kibana Leading to Denial of Service

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)

Affected Products

Vendor

Elasticsearch BV

Product

Kibana

Default Status

unaffected

Versions

Affected

From 9.3.0 through 9.3.0 (semver)
From 8.4.0 through 8.19.11 (semver)
From 9.0.0 through 9.2.5 (semver)

Problem Types

Type	CWE ID	Description
CWE	CWE-20	CWE-20 Improper Input Validation

Type: CWE

CWE ID: CWE-20

Description: CWE-20 Improper Input Validation

Metrics

Version	Base score	Base severity	Vector
3.1	6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impacts

CAPEC ID	Description
CAPEC-153	CAPEC-153 Input Data Manipulation

CAPEC ID: CAPEC-153

Description: CAPEC-153 Input Data Manipulation

References

Hyperlink	Resource
https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-13/385249	N/A

Hyperlink: https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-13/385249

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References