CVE-2026-42401
Improper Neutralization of Input During Web Page Generation (CWE-79) in Kibana can lead to stored HTML injection.
Published May 28, 2026 · updated Oct 14, 2026 · elastic kibana
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.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 28, 2026 · NIST NVD
Detected
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 r
Oct 14, 2026 · NIST NVD
Updated
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 r
Affected
- cpe elastic/kibanaversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-42401
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-42401
30-day exploitation probability 0.1%
first.org - NIST NVDVulnerability recordCVE-2026-42401
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
nvd.nist.gov