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CVE-2026-42401

5.4 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.4 · elasticNVD modified 2026-10-14 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

References 1