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CVE-2026-42401

nvd nist
Published: May 28, 2026Modified: Jun 17, 2026

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5.4
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Exploitability: 2.3 / Impact: 2.7
Source: NVD

Description

Improper Neutralization of Input During Web Page Generation (CWE-79) in Kibana can lead to stored HTML injection. A user with write access to an Elasticsearch index could persist crafted markup which, when subsequently rendered through an affected Kibana view by another user, was not sufficiently sanitized. Successful exploitation could result in unauthorized UI manipulation and outbound network requests issued from the viewing user's browser session.

Affected (2)

Products: Elastic: Kibana
Elastic
1 product
Kibana
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Elastic
Kibana
From 8.0.0 to 8.19.16
Kibana
From 9.0.0 to 9.3.5

Related CWEs

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (1)

Source: security@elastic.co
Vendor Advisory

Timeline

No history available yet.