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CVE-2026-42401: kibana from 8.0.0 (inclusive), before 8.19.16 (exclusive), from 9.0.0 (inclusive), before 9.3.5 (exclusive); +1 more…
CVE-2026-42401. CVSS 3.1 base score 5.4 (MEDIUM, NVD). EPSS 0.00235 (percentile 0.13312), scored 13-Oct-2026.
Affected technology
kibana · from 8.0.0 (inclusive), before 8.19.16 (exclusive)
elastic
kibana · from 9.0.0 (inclusive), before 9.3.5 (exclusive)
elastic
Kibana · 9.0.0 through 9.3.4, 8.0.0 through 8.19.15
Elastic
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · User interaction required
Attack conditions (NVD, CVSS 3.1): Network (remote) · Low privileges required · User interaction required
What an attacker can do
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. Vendor/CNA’s CVSS 3.1 assessment (base score 4.1/10) rates confidentiality and availability impact as none; integrity impact as low. NVD’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-79
- CCR priority
- 21.7 /100 (P4)
- CVSS 3.1
- 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N · NVD
- EPSS
- 0.00235 · percentile 0.13312 · 2026-10-13
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-42401.html